Update history

Information on this page is primarily intended for the developers, as documentation of changes made to the programs, but can also be used to explain differences between results obtained using different versions of the program.


2016

7,16,8,11

Corrected error in the handling of solar shading
7,16,1,19

tsbi5: File/Weather data/ASHRAE. corrected wrong link to download of weather data

2013

7,13,9,30

SimView: File/Browse, corrected error under Windows 7.
SimView: Corrected e-mail address in About: bsim-support@sbi.aau.dk
7,13,9,24

Model: Dimensioning heat loss: Removed rise of 15 % for heat loss through roofs.

2012

7,12,9,4

Version 7. Changed to Visual Studio 2010 (version 7, xx, xx, xx).
6,12,1,16

FloorHeat: Added parameter WaterMassFlowSupply.

2011

6,11,12,7

PerezModel: DiffSky, Only positive values are returned.
6,11,11,7

ModelDoc: COrrected calculation of orientation.
6,11,5,3

Corrected error when exporting to Be10.
6,11,4,12

Added link to PackCalc.
6,11,1,14
Tsbi5 New option: Reg. System Time Step. Choice between control of systems on hourly basis or on time-step basis.

2010

6,10,11,18

SimLight: If the reference-point is not located inside 'inner shell' area is extended 'outer shell', i.e. system lines6,10,10,20
tsbi5: Choice of active systems moved from the start of each hour to the start of each time-step.
6,10,9,24

tsbi5 Single zone natvent: corrected calculation in Combined case.
6,10,7,5

tsbi5 Corrected 4,6,2,13 qHeating etc. removed.
6,10,5,27

DisMdl FloorHeatCtrl: Selects mode for the active component.
6,10,4,13

XSun, tsbi5 Corrected algorithm "Behind" to determin if a face obstructs the sun ray.
6,10,4,9

tsbi5 Solar shading: corrected ActivateShading.
6,10,3,15

tsbi5 Gulvvarme: Check that FloorHeatCtrl isn't made in the old version of the floor heating model.
6,10,1,26

tsbi5 Model names is max. 63 characters in case of parametres from external models.

2009

6,9,12,1

tsbi5 Solar shading, SolarCtrl: if Shading Coeff is given, it is being used, else the value from SolarShading.
6,9,11,30

tsbi5 NatVent: for openings CntFraction was udefined.
6,9,11,18

SimView ModelDoc: construction gross area – opening/windor areas.
Added View/ConstDoc: save text file with overview of all constructions in the model.
6,9,10,30

XSun faces under WinDoor/Opening was not shown with external shadows (changed).
6,9,10,12

tsbi5 SunAz: corrected to North = 0 (solar az + 180).
Weather data ASHRAE: corrected for new parametres.
Added co2 control in VAVCtrl.
6,9,9,23

tsbi5 ExtIllum set to 0 when the sun is below the horizon.
6,9,9,3

SimLight Added check that windoors is a square (break-down in case of triangular windoors).
6,9,8,20

tsbi5 Single zone natvent: corrected co2 control.
6,9,7,17

tsbi5 Single zone natvent: control corrected.
6,9,7,16

SimView ModelDoc: corrected calculation of windoor orientation.
6,9,7,9

DisDb5, DisMdl Added table for solar energy transmittance (BSim2009.mdb)
6,9,6,18

BSimFht Newy version of hydronic floor heating.
6,9,5,11

tsbi5 Pcm added with moisture/latent heat
6,9,3,23

StepXml If dis-model can not be read, reading as xml will be tried.
6,9,3,17

tsbi5 Moist, Latent Heat, LossCoeff: check for division with 0.
6,9,3,11

DisMdl, tsbi5 Added Solar Limit to LightCtrl, and SwitchOff on DaylightCtrl.
6,9,3,11

DisDb5 Graphics for Pcm on PcmPage.
6,9,2,17

tsbi5 Ventilation: ReturnAirCtrl: reset of 'return fraction'.
6,9,2,13

tsbi5 Long wave radiation: varialbel surface transmittance for walls (not windoors)
6,9,2,12

tsbi5 ZoneTempCtrl: added control according to a master zone.
6,9,2,9

SimView Export to be06, corrected wall areas (reduced by the wondoor areas).
6,9,1,21

DisView, DisMdl Edit functions adapted to Windows Vista.
6,9,1,9

DisMdl Added clean-up function for PcmMaterial (ConstructionMaterialDestruct).
6,9,1,7

DisView Corrected Model Doc

2008  

6,8,12,17
tsbi5 Simulation/Check: added print-out function for construction layers.
6,8,12,10

tsbi5 XSun: recess for windoor implemented. Recess=0 (standard value) the glass pane is located at the inside surface facer in the opening. Recess > 0 measured from the external face (face 2).
6,8,12,3

SimView, tsbi5 Under Room Properties added possibility to choose the Site as Thermal Properties, i.e. external climate from weather data.
6,8,11,20

tsbi5 Xsun/SunRad: corrected pointer to unknown zone.
6,8,11,10

tsbi5 Simulation of pcm materials.
6,8,10,8

dismdl, tsbi5 NightCoolCtrl: sensor zone, removed selection of "outdoor", changed to current zone.
6,8,10,7

tsbi5 NightCoolCtrl: check that sensor zone refers to tz in current building.
6,8,10,3

tsbi5 All simulation options are saved in the model, incl. simulation period,
tsbi5: added Save Options in Options tab.
6,8,10,1

tsbi5 NightCoolCtrl: corrected criterium for activation (heat pump active by shift between control strategies).
6,8,9,24

SimView Check for MDAC corrected for version > 2.
6,8,9,23

DisMdl Added PcmMaterial.
6,8,9,22

DisDb5 Added PCM materials (BSim2008.mdb)
6,8,9,8

tsbi5 Corrected control in BlindCtrl.
6,8,9,3

tsbi5 Warning for swing-in period in simulations, temperature not stabilised, option to continue swing-in period.
6,8,8,14

tsbi5 BlindCtrl: udefined reference to weather data (z0->rfy).
6,8,8,5

tsbi5 WinDoor parametre NetSun corrected for solarLost (from thermal zone).
6,8,6,16

tsbi5 SimFace: CalcRsurf, pow(x, y) fails when x -> 0.
6,8,6,4

SimView File/Mail Project To: check for xml, and database renamed from *.mdb to *.disdb, to prevent it from being deleted by the mail security system.
6,8,6,4

tsbi5 Corrected OnOff control DaylightCtrl for lighting.
6,8,6,3

tsbi5 Corrected SolarCtrl for solar shading to ensure backwards compatibility.
6,8,5,28

tsbi5 Corrected XSun solar distribution (cos angle of incidence limited to -1 : 1).
6,8,5,23

tsbi5 Saving text files from HeatBalance and Tables (Alt+X).
6,8,5,13

SimView Bounding box can be made smaller than the automatic calculated.
6,8,5,8

tsbi5 Moisture model: corrected automatic layer distribution by accepting suggested time-step.
6,8,3,14

tsbi5: TryConvert: corrected calculation of solar height in conversion of climate data.
6,8,1,23

tsbi5: Added new controls for solar shading: SensorCtrl and BlindCtrl.
6,7,12,6

Model: Added BlindCtrl for solar shading.
6,7,12,4

Model: Added HeatPump system.
6,7,11,30

tsbi5: Form factors: calculated for inner shell. If it fails, then calculated for system lines, and a warning is shown.
6,7,10,22

DisView: Added export to Danish building code compliance checker, Be06. Will be available in English in the first half of 2008.
6,7,8,9

Model: New system: FloorHeating, hydronic floor heating/cooling system.
6,7,6,26

tsbi5: HeatCoolCtrl and FloorHeatCtrl: check that Te Min != Design Temp.
6,7,2,26

SimLight: Corrected calculation of solar light factor Sf1.
6,7,2,26

tsbi5: Added TiMean to zone-log.
6,7,1,25

BSim: Version 6. Change to Visual Studio 2005 (version 6,x,xx,xx). Requires installation of full BSim-program package.

4,7,1,18

tsbi5: Thermal zone: Added Ti fraction, part of Ti and tMrt for calculation of tOp. NB: New input parameter.
4,6,7,12

tsbi5: Model for filtration (air pass through) of constructions facing the ambient.
tsbi5: New option for changing weather data in simulations over multiple years.
4,7,1,3

tsbi5 Moisture model: Improved calculation of latent heat.
4,6,11,24

SimView: If the weather data can not be found, search will start in the sub-folder Climate.
4,6,8,24

XSun: Corrected algorithm for determination if an external surface is a possible shading object.
4,6,7,12

SimView, DisDb5, Model: Error if a material was undefined in the moisture part of the database (a exist in the thermal-table but not in the moisture-table).
4,6,6,23

SimView: Corrected dimensioning heat loss towards fictive zones.
4,6,4,24

tsbi5: On faces: DirRad, SkyRad and GroundRad, unit changed to W/m2,qRad2 zero when solar irradiation is 0.
4,6,3,28

tsbi5: Calculation of view factors for long wave radiation corrected.
4,6,2,13

tsbi5: ZoneTempCtrl: changed control when tOp was between min- and max inletqHeating, qCooling missing contribution from previous time-step (temporary correction).
4,5,12,1

tsbi5: Corrected that solar shading in rooms outside thermal zones made tsbi5 crash when XSun was turned on.
4,5,11,24

tsbi5: Ventilation + ZoneTempCtrl: corrected error in re-heating and -cooling for humidification.
4,5,10,12

tsbi5: Glazing temp option: if glass area = 0 division with 0. Corrected, so old glazing model is used if glass area = 0.
4,5,7,7

tsbi5: NatVent: Control factors controls "max air-change". CO2 case starts components for heating.
4,5,6,21

STEP: Corrected that filenames could not contain ' (apostrophe).
4,5,5,30

tsbi5: Ventilation: corrected calculation of ExtractHum.
4,5,5,18

tsbi5: NightCoolCtrl: Fans can be selected and deselected as active components.
4,5,5,13

SimView: Link to F1-help for opening property corrected.
tsbi5: Risk of condensation added to constructions, changed indicator for how close the surface is to condensation in an interval of 5 °C above the dew point temperature. The same goes for WinDoors.
tsbi5: Check for presence of solar light factors implemented for daylight control of artificial light.
4,5,5,3

SimView: If help was open when BSim was closed, the process DisView was not stopped, but kept running in background, using much processor time. Error corrected.
SimView: Right-clicking in the tsbi5-graphic, only relevant choices are shown.
4,5,5,2

tsbi5: Improved calculation of view-factors in conjunction with long-wave radiation.
SimView: Graphs at HeatCoolCtrl for heating and cooling corrected.
4,5,4,7

tsbi5: Added name for thermal zones on graphs during simulation.
SimView: Right-click in the three on an undefined construction, WinDoor etc. opens the database.
4,5,4,1

tsbi5: Natvent: Check that weather data contains wind speed.
4,5,3,31

SimView: Site property: Added height above sea level (Elevation).
4,5,3,29

SimView: Site property: Added information about weather data, wind speed and pressure.
4,5,3,18

tsbi5: Extended weather data with wind speed in m/s (previous in knots) and barometric pressure (Pa).
tsbi5: Barometric pressure added as parameter AtmPress for outdoor climate.
4,5,3,17

model: VAVctrl: VAV max factor must be >= 1, check implemented.
4,5,3,1

tsbi5: Ctrl-C (copy) works in the Heat balance and Tables tabs.
4,5,2,28

SimDxf: Added XP style user interface.
4,5,2,25

SimView: Added XP style user interface.
4,5,2,25

SimView: Added XP style user interface.
4,5,2,23

DisMdl: Heating/Cooling/Venting/Ventilation: choice of Air Source/ Sensor Zone only from thermal zones belonging to current building.
4,5,2,16

tsbi5: Control as ZoneTempCtrl corrected back to the control method used before version 4,4,12,4.
4,5,2,2

tsbi5: After minimizing the graph, buttons are located correct.
4,4,12,21

tsbi5: Choice of location for legend for graphs added under Yscale.
4,4,12,20

tsbi5: Floor heating now available in demo-versions.
tsbi5: Calendar for choice of dates added week number.
4,4,12,9

tsbi5: XSun: activation of shutter/solar shading only during sunshine, corrected.
4,4,12,4

SimView: XSun: shows dark background after sunset.
SimView: ZoneTempCtrl: Corrected cooling to min. inlet temperature also when below cooling set-point.
4,4,11,10

BSim: Officially changed name to BSim followed by the primary version number (4).
3,4,10,20

tsbi5: Cappa-model: Infiltration air is no longer part of the calculated inlet air temperature.
3,4,10,18

tsbi5: MoistureLoad: Added model for moisture liberation from Swimming Bath.
3,4,8,6

tsbi5: NatVent: Opening degree/Wind speed added at WinDoors.
3,4,8,3

tsbi5: No more than 32767 parameters can be saved per. hour in the result log! The limit can be exceeded when making unsuitable choice of results from moisture simulation in large models. Implemented a check that will stop the simulation if the limit is exceeded.
3,4,7,28

SimView: "Clean model" and "Clean geometry": corrected error for references to Ground.
3,4,7,22

SimView: New option: Save "undo" files on local PC. Undo/redo files are saved on the local PC in the path defined by the TMP/TEMP variable (typically C:\TEMP). Faster when BSim is running from a network folder. If not given, the files will be saved in the same path as the actual model.
SimView: "Redo" implemented, one level, say latest "undo" can be redone.
3,4,6,22

tsbi5/XSun: Distribution of diffuse radiation to level two (via internal WinDoors) zones.
3,4,6,1

tsbi5: NatVent: If wind direction is undefined (990°), cp = 0.
3,4,4,20

tsbi5: Simulation can go wrong if the selected number of time-steps (>2) accepted do not give an even number of steps per half hour, e.g. 13 time-steps per hour.
3,4,3,16

tsbi5: Conversion of weather data: longitude interval corrected from –90 -+90 to –180 – +180.
3,4,3,10

Model: Solar shading: choice of location blocked (not yet in use).
3,4,3,9

SimView: About support: licenses BS4xxx redirected to support@alware.de.
3,4,2,17

tsbi5: Night cooling: added possibility for location of sensor inside a construction.
3,4,1,28

tsbi5: Natural Vent: check of opening location for Combined Two Levels.
3,4,1,19

tsbi5: Parameters/Open New Model: problem with Danish letters on local networks corrected.
3,4,1,13

tsbi5: Moisture balance corrected.
3,4,1,9

SimView: 2000-users: no access to DirectX export, new glass temparature model and floor heating.
3,4,1,8

Model: Corrected calculation of natvent cond.
3,3,12,17

tsbi5: Mixing: Outdoor temperature criteria have now first priority.
3,3,11,27

Model: Check for unique system names.
3,3,11,26

SimDB: Using New/Copy next free sfb-number will be suggested.
3,3,11,24

SimView: New option: Auto check for update.
3,3,11,14

Tsbi5: Longwave radiation: stop if configuration factor < 0 (can be caused by WinDoor into adjacent constructions).
3,3,11,13

Tsbi5: TzInlet calculated for cappa = 1.0 also.
3,3,10,30

Tsbi5: Geometric thermal bridges.
3,3,10,22

Tsbi5: Distribution of direct solar incidence on faces, only in XSun without longwave radiation.
3,3,10,20

Model: Venting added MaxWind (only for natvent), active when MaxWind > 0.
3,3,10,4

Tsbi5: Corrected moisture load contribution in the moisture model.
3,3,8,23

SimView: Added File/Browse for visual localisation of model.
3,3,7,31

tsbi5: Error if construction layer thickness = 0 corrected.
3,3,7,28

tsbi5: Natvent added log parametres VentSpeed and VentCp for Windoors.
3,3,7,18

SimView/XSun: Result log for SimPv.
3,3,6,19

SimView: Inserting more Windoor’s at the same time generates different names.
3,3,6,6

Model: Venting added Sensor Zone.
3,3,6,5

SimView: Thermal zones can be moved (drag and drop) in three for changed simulation order (top-down).
3,3,5,13

SimDB: Database tabel glazing_material_ex extended with refl2 and absorp2.
tsbi5: Calculation of glazing temperature corrected accordingly.
3,3,5,2

SimView: Finish property added choise of Wind Exposure (for natvent). Can only be selected for finishes facing outdoor.
3,3,4,10

SimView: Dynamic location of Default dialog.
tsbi5: Longwave radiation, direct solar distributed to all faces.
3,3,3,20

SimDxf: Corrected minor error in reading arc-files.
3,3,3,14

tsbi5: Corrected error in registration of air-flows.
3,3,3,12

SimView: Insert Windoor: dialog added dt0. dt0 = minimum distance from edge of WinDoor to adjecing constructions.
3,3,3,7

SimView: Choice of Edge: if a face, WinDoor, opening or PV is selected edges are chosen among those belonging to the actual object.
3,3,3,4

SimView: Split Edge function: if a vertex in the edge is selected, a distance must be given from the selected vertex to the new vertex.
SimView: Deleting a vertex splitting an edge (straight) can be done using the Delete function.
3,3,2,24

tsbi5: From tables, a log-file can not be opened more than once.
3,3,2,19

SimLight: Added choice between two different form factor calculation methods (inter-reflected part).
3,3,2,14

tsbi5: Air volumes in log (mixing, infiltration, venting and ventilation) changed to average value for the hour.
3,3,2,13

Model: Calculation of inner shell: if angle between face normals < 5 ° the faces are assumed parallel.
3,3,2,10

tsbi5: Tables/graph/autoscale: Choice between two different methods.
3,3,2,9

tsbi5: NightCoolCtrl: Corrected calculation of energy consumption (was wrong if active in first half-hour and not in last half-hour).
3,3,2,6

tsbi5: New parameter for WinDoor: VentDPi. Pressure difference (Pa), ONLY NatVent.
3,3,1,31

tsbi5: New parameter for thermal zone: VentPi. The internal pressure (Pa), which is ONLY calculated in connection with natural ventilation.
3,3,1,29

Modellen/tsbi5: Choice of natural ventilation model in venting dialog, and not in tsbi5/options any more.
3,3,1,28

tsbi5: New parameter for thermal zone: VentFrac. Average part of max venting.
3,3,1,22

tsbi5: VAVCtrl added MaxInletTemp.
3,3,1,21

SimView: Demo allows use of all extention modules (moisture, PV, natural ventilation).
3,3,1,20

tsbi5: Improved autoscale in graphic.
3,3,1,14

SimView: Weather data search: (1) absolute path (2) project folder (3) BSim folder.
3,3,1,9

tsbi5: New calculation method for glazing temperature.
3,2,12,18

tsbi5: Heat balance added Co2, PAQ and FloorHeat.
3,2,12,12

SimView: Support of new format for f1-help.
3,2,12,10

SimView: Windoor/Opening property dialog added data for natural ventilation.
3,2,12,5

tsbi5: Corrected negative NetSun with XSun.
3,2,12,3

SimView: Use current model moved to the individual applications.
3,2,11,21

SimLight: Corrected error in calculation of inter reflected part (possibility for division with 0).
SimView: New option: Recent Files (4 to 16).
SimView: File open filter divided for choice of model (*.dis) and backup (*.dbk) files.
3,2,11,2

DisMdl/tsbi5: Check of active time definitions and day profiles.
3,2,10,29

tsbi5: Schedules defined as week-numbers, Mondays was moved one week.
XSun: Change to SimView/tsbi5 during capture, focus was kept at the foreground.
3,2,10,24

tsbi5: Venting added CO2-control.
3,2,10,21

SimView: Systems can be deleted from ThermalZone/WinDoor property by removing a tick mark.
3,2,10,18

SimView: ThermalZone property added floor area.
3,2,10,17

SimView: Site added choice of landscape type.
3,2,10,8

tsbi5: Calculation of CO2 level.
SimView: Scroll when an element in the three is dragged beyond top or bottom of three in display.
3,2,10,3

SimView: Added copy of parameter list (tsbi5/Parameters).
SimView: New XSun-option: Show Inner Shell.
3,2,10,2

SimView: Calculation of CO2 concentration for thermal zones.
DisMdl: Added CO2 concentration for ambient air on Site.
3,2,9,25

tsbi5: Added risk for condensation on WinDoors.
3,2,9,24

SimView: Corrected scroll in graphics.
3,2,9,23

DisMdl: Default schedules, day profiles and people is now protected from changes.
3,2,9,6

tsbi5: Added PAQ to thermal zones (Perceived indoor Air Quality).
tsbi5: Temperature on both faces of glass.
3,2,8,16

tsbi5: Introduced tariff-system for energy consuming systems.
3,2,8,15

tsbi5: Corrected error in control of shutter/solar shading when XSun is active, and when the thermal zone contains more than one space.
3,2,8,14

SimView: Improved function for finding a face by Ctrl+click on an edge.
3,2,8,9

SimView: Short cut for property: Alt+Enter (equal to right-click in the three).
3,2,8,2

SimView: Check for presence of MDAC version 2.50 or more recent.
Setup02: English version of Bv98 (Hd98) added.
Update02: English Hd98 users guide still missing!
3,2,8,1

SimView: New option: ’Auto Update View’ for automatic update of model when dragging a new element from the database to the three (by default the option is off).
3,2,7,31

tsbi5: F1-help in sheets/tables: help redirected to the help page informing about the sheet/table.
tsbi5: Horizontal scroll-bar for weather conversion dialog.
tsbi5: Initiation of side-fins added to openings.
3,2,7,25

SimView/tsbi5: Added day profile to Mixing.
SimView/tsbi5: Dynamic graphs in System/Controls.
SimView/tsbi5: Corrected GrossSun/NetSun for WinDoors.
BSim2002: Version 3.
2,2,5,2

tsbi5: Hourly mean value for top saved in log.
2,2,4,22

SimView: Scale and Grid saved in model.
2,2,4,12

tsbi5: Added menu-item File/Weather Data/ASHRAE for downloading and corversion of ASHRAE weather data from approx. 550 locations all over the world.
2,2,4,3

SimView: Corrected missing collumn in printout of heat balance.
2,2,3,29

tsbi5: Conversion of climate data, format of wind direction corrected.
2,2,3,5

tsbi5: Error when saving simulation options in the project has been corrected.
2,2,2,7

SimView: Split Edge function has been corrected.
2,2,2,4

tsbi5: Conversion of climate data, overcast/fraction has been corrected.
2,2,1,24

tsbi5: Simulation options is saved with the project.
2,2,1,9

tsbi5: Calculation of daylight contribution from window has been corrected.
2,2,1,7

Tsbi5: Log file cannot be opned if it is being used in simulation.
2,2,1,4

SimView: XSun: Check-function for shading from external surfaces has been corrected.
2,2,1,2

Trans5.dll: XSun tolerance has been corrected.
2,1,12,12

DisView: New icon added in the tree structure for surfaces, indicating if a construction has not been connected to an object from the database. Different icons for *.dis- and *.dbk-files.
2,1,12,10

Bv98Dis.dll: b-value for roofs have been corrected to 0.
SimLight: Inter-reflected contribution (form factor calculation) has been corrected.
2,1,12,5

tsbi5: Long wave radiation, calculation of temperature depended surface resistance has been corrected.
2,1,12,3

tsbi5: Under-floor heating, improved heating control (temporary version).
2,1,12,1

tsbi5: Air change calculation has been corrected (time step depended).
2,1,11,24

tsbi5: On tabs "Heat Balance" and "Tables": Period selection, "Year" has been corrected to "Total". From "Tables" tab: New function "File/Export/Tables" for saving time values as tab-delimited text files.
2,1,11,19

Step5.dll: Length of file name has been extended from 128 to 256 characters.
tsbi5: No control of "Heating/Cooling" to meet top when sensor zone is different from the current. "Ventilation/Fan/Total Effect" must be > 0 (if 0 then 1 is used).
2,1,11,8

SimView: "File/Mail Project To" has been added to the menu.
2,1,11,6

tsbi5: The calculation of solar through openings has been corrected.
2,1,11,2

SimView: In "File/Copy Project to" the database name is changed to the project name.
2,1,10,22

SimView: When zooming is repeated (16 bit limitation) the program has locked in Windows 95, 98 and ME. This has been corrected.
2,1,10,18

SimView: Search function in the tree structure added. The function is found in the Edit menu.
DisMdl: Move function for Windoor's when having vertices common with other objects is corrected.
tsbi5: Parameter names extended from max. 31 to 63 characters. Result files from previous simulations cannot be read but has to be re-simulated.
2,1,10,17

DisMdl: If absolute moisture content in climate data < 0.1 g/kg, 0.1 g/kg is used.
2.1.10.15

SimView: If climate data file is not found, a search for it is made in the folder, where BSim is installed. Add Face function for a concave room has been corrected (by parallel surfaces to the new surface).
2,1,10,2

tsbi5: Improved calculation of long waved radiance (new and improved algorithm for calculating angle radiation figures).
2,1,9,27

tsbi5: The Kappa model: added TzReturn = outlet temp., Ti = air temp. in TopHeight above floor.
2,1,9,21

SimView: If a database of a model is not found, a search for it is made in the same folder as used for the model. If the database is found in this folder, it will be used.
2,1,9,15

Bv98Dis.dll: Corrected calculation of orientation and slope.
2,1,9,13

tsbi5: Corrected calculation of the parameters AdjacSun, NetSun and GrossSun for WinDoors.
2,1,9,7

SimLight: Changed selection of precision in calculations, calculation of contribution from openings and improved graphics.
2,1,9,6

SimLight: Corrected calculation of the inter-reflected contribution.
2,1,8,31

SimView: Insert ThermalZone, Insert Defaults and Site moved from Building Property to entry in new pop-up menu when right clicking a building in the tree-structure. Add Windoor (Opening) extended with a fuction for adding a number of WinDoors in the Y-direction.
2,1,8,27

tsbi5: Reflektion factor for solar radiation ReflSolar on Site was not used, but constantly 0,1.
2,1,8,13

tsbi5: Improved kappa-model. VAV-control corrected.
2,1,8,10

Model: Negative mixing Air Flow gave error in tsbi5.
2,1,8,8

SimView: Reference point for calculation of solar light factors saved for each space.
SimLight: Corrected error when the model contains sidefinns/overhangs.
2,1,8,7

SimView: Improved function for finding a face using ctrl+click near an edge.
SimView | CleanModel: added function to remove surplus faces.
2,1,8,6

SimLight: Corrected calculation of inter reflected contribution in graph. Resets solar light factors in other spaces of the same thermal zone (after prompt).
2,1,8,5

SimView: Corrected error when deleting a vertex (drag a vertex to an other vertex at the same edge).
2,1,8,1

SimView: In Help | BSim2000 on the Web menu added new function Check for new update.
2,1,7,26

tsbi5: Corrected calculation of NetSun for WinDoors, and heat balance sum != 0 in some cases when using XSun and longwave rad. Calculated surface resistance when using long-wave radiation max. 0,3. New default climate data file (Danmark.dry - Danish climate data) with cloud cover in all hours of the day and wind direction.
2,1,7,25

tsbi5: Error in solar shading when using brug af XSun rettet. Kunne give negativt solindfald.
2,1,7,23

SimView: Improved function for deleting faces and edges.
2,1,7,20

SimView: Fixed calculation of Design Heat Loss (contribution from WinDoors counted twice) and now uses external areas.
Bv98dis.dll: External areas now transferred to Bv98.
2,1,7,14

tsbi5: Simulation tab added Check-button.
tsbi5: Moisture: automatic calculation of layer sub-division in constructions.
2,1,7,11

tsbi5: New option: Longwave Rad. to Sky. SkyTmp (sky temperature) added to results log.
Model: Site added emissivity for long-wave radiation to the sky.
2,1,6,26

tsbi5: Results log can now be saved from the Simulation tab of tsbi5.
SimView: Keeps window location and scroll-position after activating XSun or tsbi5.
2,1,6,13

tsbi5: Corrected error: A construction with layer thickness of 0 could in certain circumstances make the program break down.
2,1,6,8

XSun: Added period for video-recordings.
2,1,6,2

SimView: "Add Room" function added "Copy of whole Storey" functionality.
XSun: Implemented video-recordings of sun/shadows.
tsbi5. Implemented new curve types: Cumulated curves, pct/hours above.
2,1,5,9

Bv98: New version 2 (2,1,5,9). Corrected because of addendum 2 to BR95, addendum 1 to BR-S98 and addendum to DS418.
2,1,5,4

tsbi5: Check for area of openings+WinDoors < facearea (min. 0.01 m2 left).
2,1,4,25

tsbi5: Automatic generation of layers in constructions for moisture model calculations.
2,1,4,24

tsbi5: Corrected error in ventilation/VAVCtrl, which made the heat balance not equalize.
2,1,4,20

tsbi5: Corrected error at mixing from spaces outside thermal zones, and calculation of air-change, saved in the results log.
2,1,4,9

SimLight: Graphs now with logarithmic scale.
2,1,3,30

tsbi5: Improved XSun and solar shading/shutter for internal WinDoors.
2,1,3,22

SimView: Added possibility for writing to and joining the English mailing list.
2,1,3,21

model/tsbi5: Mixing control added factor.
2,1,3,20

tsbi5: Corrected time when shutters are closed.
2,1,3,19

tsbi5: Corrected calculation of longvawe radiation exchange. Calculation of surface resistance must be checked further!
2,1,3,15

SimView/DisMdl/SimDB/SimLight/tsbi5Implemented F1-help for dialogs.
2,1,3,14

model: Calculation of inner shell, center when virtual zones.
2,1,3,13

BSim2000: Service pack 5. Requires full installation.
tsbi5: For faces, facing a virtual zone on solar incidence on side 2 (exteriour).
2,1,3,12

tsbi5: Print-out of cummulated curves, program break-down fixed.
2,1,3,9

SimView: ThermalZone property added design heatloss.
2,1,3,6

SimLight: Changed layout, push-button for transferring Sf1-Sf3 to the Windoors of the room.
SimView: Sf1-Sf3 added in Windoor property dialog.
2,1,3,5

Trans5.dll: XSun algorithm corrected.
2,1,3,1

SimView/tsbi5: Virtual zones, connected from Finish Property, can ONLY be ground or a thermal zone (NOT a room).
Modellen: Data model expanded for Finish (gives step-error when opening old models but not important).
2,1,2,22

tsbi5: Correcetd calculation ooor NetSun, Xsun option.
2,1,2,21

Modellen: Corrected error in editing .
2,1,2,20

SimView/tsbi5: From Options the result log can be saved, using File | with a new name.
2,1,2,16

SimView: Corrected error Edit | Clean | Geometry and Inner Shell.
2,1,2,15

tsbi5: Changed start conditions /KJJ.
2,1,2,14

SImDxf: Error.
2,1,2,13

SimView: Corrected that cCopy Project to.
2,1,2,9

SimLight: Automaticthe solar m.
2,1,2,7

step5.dll: Expanded .
2,1,2,5

SimDB: Order of layers can be altered by dragging a layer to a new position. MaterialAmount tabs are only shown if new option Show Amount is selected.
SimLight: Model always updated in advance of calculations.
2,1,2,2

SimDXF: Localisation that ’.’ is used as decimal seperator in the dxf-file.
2,1,2,1

SimView/modellen: Calculation and showing the floor area in RoomProperty.
SimDB: Corrected localisation of ComboBox dropdown list after move.
SimView: Move Face corrected for unintentional removal of a face.
2,1,1,26

SimLight: New user interface for graphs because of problems with 800 * 600 diaplay resolution.
2,1,1,25

SimLight: Misc. corrections and new user interface.
2,1,1,24

Bv98: Imports models even with STEP-errors.
2,1,1,18

Model: Calculation of Inner Shell generalised and improved.
2,1,1,17

Bv98: Corrected calculation of built-up area and total floor area.
2,1,1,16

SimView/Model: Improved Edit | Clean | Geometry with split edge if a vertex is inside the borders, which is important when calculating inner shells.
2,1,1,15

SimView/tsbi5: Choice of constructions saved in log.
2,1,1,14

SimLight: Reflectance from Finish, if defined else walls 0,4, ceiling 0,7, floor 0,1, glass 0,92. GroundReflectance from Site, if defined, else 0,1.
2,1,1,11

SimVIew: New option: Auto Arrange FaceSide (default=0).
SimLight improved, reference plan now given as center of the plane and the distance from the center to the edges of the plane in two directions.
2,1,1,10

SimView/tsbi5: Printing heat balance, corrected hour statistic.
2,1,1,9

SimLight: Improved user interface.
2,1,1,7

SimView: For internal floors (divisions) Finish1 (face 1) always faces the upper room (see 2,1,1,11).
2,1,1,5

tsbi5: If the first day of a simulation period do not exist in the climate data file, a message about the possible period is shown.
Setup: Input field for Serial protected as password field, and not limitation on the length of the company name.
2,1,1,4

tsbi5: New algorithm for moisture balance (the old one is used if the option Moisture Transport is NOT selected).
2,0,12,28

SimView: Finish, facing outdoor or ground will always be face 2 (see 2,1,1,11).
tsbi5: Moisture model expanded with moisture content.
2,0,12,21

tsbi5: Start conditions for night cooling corrected.
2,0,12,19

model: New object MoistInit for initiation of constructions when de-humidification.
SimView: New moisture page in tsbi5 for definition of start conditions when moisture simulations.
2,0,12,13

tsbi5: Could not always find current building.
2,0,12,11

XSun: New option: View the Building from the Sun.
tsbi5: In constructions layers without reference to materials in database can be used. The thickness of the layer is counted in the total thickness of the construction. An additional resistance on this typs of layes is a MOISTURE resistance. An additional thermal resistance must then be given on a neighbour layer that have reference to a material in the database.
Model: Move all windoor/openings in the same construction (option on Move Windoor).
2,0,12,8

tsbi5: Error in ventilation if air-flow = 0, corrected.
2,0,12,7

SimView: Systems are placed at the end of the three structure of the thermal zone when inserted.
SimView: Added File/Save Project As. Saves the model and the appropriate database.
2,0,12,2

SimView: Corrected Move-error, that could make the prgram break down.
SimView: Copy of current room: created a room with a face when no face paralell with the current face or no face with the same area could be located.
2,0,12,1

BV98: Corrected localisation when importing BSim2000 models (decimal full-stop in stead of comma).
2,0,11,29

tsbi5: Xsun distribution through internal windoors and openings.
2,0,11,28

SimView: Drag systems in the three structure, keeps focus and no collapse.
2,0,11,24

Modellen: System line in faces to Ground.
2,0,11,22

SimView: Copy of room: Corrected algorithm for check of overlapping faces.
2,0,11,20

tsbi5: Ventilation, ExtractTmp corrected to air temperature under ceiling + evt. gains from lighting equipment.
2,0,11,17

SimDB: SetFocus from three strukture crashed if SfB was not in the format xx.xx.xxx.
2,0,11,16

Modellen: Shading: MaxWind=10 for old models, before introduction of MaxWind. Ensures that shading is working when opening an "old" model.
2,0,11,15

SimView/DisMdl: HeatingCtrl added sensor for thermal zone.
2,0,11,14

SimView/DisMdl: Corrected dialogs for lighting and the connected control dialogs.
2,0,11,8

SimView: Corrected, that dragging (moving) a vertex to an other vertex could influence the location of windoors in the face.
2,0,11,6

SimView, SimDB: Right-click in three structure on construction/windoor type or finish material opens the database and shows properties for the actual object.
2,0,11,2

SimView, Tsbi5: Xsun solar distribution did not send sun to neighbour room (error introduced in version 2,0,10,19).
2,0,10,31

SimLight Vinduer: Reflectanse from finish, and light transmittance from glass properties.
2,0,10,30

SimView: Reference point can be dragged usin the mouse and is shown as a hotspot.
2,0,10,28

DisMdl Spac2: Calculation of inner shell (Length(n0 cross n1) < 1 => n0 = n1).
2,0,10,27

Tsbi5: Corrected error in DaylightControl.
SimLight: Corrected error in calculation of Total illumination in graphic representation.
2,0,10,26

SimLight: Copy to Clipboard incl. graphics (EMF).
2,0,10,25

SimView: Added option: Show STEP Error. (default = 0). For not showing STEP errors when opening models created in an old program version, i.e. when the data model is extended with MaxWind.
2,0,10,24

Model: Solar shading added MaxWind. Solar shading will only be in use when wind speed < MaxWind and solar gains > MaxSun.
2,0,10,23

SimView: Saves backup file during Save and Save As operations. File type: *.dbk.
2,0,10,20

SimView: Radiance export - building rotation added.
2,0,10,19

XSun/tsbi5: Calculation of solar, where the sun goes into a neighbour space, and from this back again to the initial space end up in a never ending loop. This special case is found, and the sun will not be send into the neighbour space, say calculations will be wrong.
2,0,9,22

tsbi5: Hour values for ventilation inlet air, temperature and moisture corrected.
2,0,9,21

SimView: Add Room, corrected in case of coincident faces.
tsbi5: Limitation of max. 14 days simulation in demo version.
2,0,9,20

tsbi5: Standard values implemented for Finish.
2,0,9,15

SimReg: Installation of demo, which expires after 30 days. Can not be re-installed on the same PC after expiration. Name: Demo, Company: Arbitrary choice, Serial: 1234.
2,0,9,12

SimView: Improved edit functions, especially Add Room.
2,0,9,7

SimView: Tsbi5: if no parameters is chooses when Table-tab is activated the Parameters-tab is shown.
2,0,9,4

SimView: Added English User's Guide. Corrected install script, that Danish and/or English User's Guide can be selected during custom installation.
2,0,9,1

SimView: Tsbi5: new option ’Dynamic update of Tables’ and new button in Tables ’Apply’.
2,0,8,30

SimView: Error corrected in tsbi5/Parameters with parameters from other models.
2,0,8,28

SimView: Corrected, that XSun made a break-down when noSite was defined in the model.
trans5.dll: Xpol2d: changed algorithm for calculation of intersection between two vectors.
2,0,8,25

tsbi5: REMEMBER: Lighting/GeneralLux > 0 (division by 0).
2,0,8,23

SimView: CleanModel extended: check for double Vertex and FaceSide, same Face appears several times in the same Cell, and both FaceSide’s facing the same Cell.
tsbi5: Stop simulation during start-up corrected.
2,0,8,22

Bv98: Error in new sheet for walls and windows corrected.
2,0,8,21

tsbi5: Converting weather data UI.
2,0,8,18

Model: Expanded format for weather data: Header: id, latitude and longitude, timezone and height above sea level.
tsbi5: Hour values added for wind direction. tsbi3 format can still be used. Moisture: function to set partial pressure (pb) as a function of the height above sea level.
2,0,8,17

SimView - HeatBalance graph - choice of type added (Bar, Pie 2D and 3D, Doughnut).
2,0,8,16

SimDxf - Option maxLine removed.
SimView - Graphs extended with a possibility of fixing the Y-scale from period to period.
2,0,8,15

tsbi5 - Tsbi5/Tables: shows now parameters from other models.
2,0,8,14

SimView - Tsbi5/Parameters: Choice of parameters from other models. Log file must be located in the same folder as the actual model (to avoid too long parameter names). Parameter names from other models: model@parametre. In principle there is no limitations in the number of models.
2,0,8,10

SimView - XSun misc. minor changes and improvements.
The model - Volume of building corrected and CurvePoints removed by CleanDB (moisture).
2,0,8,9

SimView: ModelList: check layer thickness in constructions > 0.
SimView: Error, if construction layer thickness = 0.
Model: Calculation of net. volume for thermal zones corrected.
2,0,8,8

SimView: Disable of SimView and XSun during tsbi5/simulation.
SimView: SimLight only active from SimView.
tsbi5: Filename added by copy of sheets to clipboard.
2,0,8,7

SimView: ModelList: filename and timestamp added, and RoomTemp documented.
tsbi5: Ventilation: correct inlet temperature to time log (before ventilator).
SimView: STEPerror by mixing when air comes from a room (non thermal zone) corrected.
2,0,8,5

During tsbi5 simulation fixed focus on Simulation Page.
2,0,7,17

SimView: tsbi5/Options: added layer thickness (maximum layer thickness) as a declaration of maximum thickness for sub-division of material layers (especially used in connection with simulation of moisture in constructions).
2,0,7,15

tsbi5: Temperature/moisture through constructions saved in the hour-log if moisture simulation is chosen.
SimView: Drag-and-drop implemented to change the order in tsbi5 parameter list.
2,0,7,14

SimView: CleanModel improved further.
2,0,7,13

SimView: CleanModel: function which adds missing faces in spaces.
SimView: Added in tsbi5/option Moisture Distribution (only active if the database contains parameters for moisture).
2,0,7,11

tsbi5: Algorithms for moisture transportation through constructions implemented - is being tested and corrected.
2,0,7,8

tsbi5: File name, containing '.', gave wrong file name for log files.
2,0,7,7

SimView: Function for check/edit at FaceSides facing towards a real space added in Edit/CleanModel.
SimView: Delete ThermalZone now saved for Undo.
SimView: Windoor property: disable Override when no type is chosen and show NoType (not Impossible geometry).
SimView: Improved delete (Delete current object).
2,0,7,6

tsbi5: Insolation through openings added.
tsbi5/XSun solar distribution through windoors and openings corrected to make the heat balance balance.
tsbi5: Distribution through windoors and openings between rooms corrected.
2,0,7,4

SimDB: Editing Material during editing BuildingElement corrected.
2,0,7,2

SimView: CleanModel: check and correct faces for Edges not belonging to the face.
2,0,6,30

Model: Calculation of InnerShell, degenerate of edge with one vertex corrected. (Could make the program break down).
System: New version of Mfc42.dll and Msvcrt.dll in connection with an update of VC++ to Service Pack 4.
2,0,6,27

tsbi5: Check for number of time steps. New warning: Ask user if the recommended number of time steps is to be used if the given number of time steps is too small.
2,0,6,26

Model, DisDB: MoistMaterial re-defined to be a sub-type of ConstructionMaterial, meaning if moisture data exists in the database they are added.
2,0,6,24

SimView, Model, tsbi5: Mixing from spaces outside thermal zones added. (Note: Can not be exported to tsbi3). Mixing via a space, which is analogue to the thermal zone receiving the mixing, can not be simulated (gives an error message before the simulation).
2,0,6,23

tsbi5: Added error message when constructions are missing at the start of the simulation.
SimView: Copy/Paste in the tree structure now keeps focus.
2,0,6,22

tsbi5: Export to tsbi3: corrected day profile.
tsbi5: Mixing corrected, unintended reset of volIn and olOut, must happen collectively for all zones before control, as volOut is registered in the thermal zone where air comes from by the thermal zone recieving the air.
2,0,6,21

SimView: User interface for Ventilation and lighting systems improved.
tsbi5: Corrected error in shadow calculation, could make the program break down.
2,0,6,20

SimView: Non referred Layers removed by CleanModel. DaylightCtrl added to ModelList.
Model: Ventilation and Lighting UI, choice and change of control corrected in dialog.
Version 2.0.4.27 - 2.0.6.14

SimView have been optimised, including minor corrections, especially in the edit functions.
In tsbi5 shutters and solar shading have been checked and corrected.
SimDxf have been optimised and a control function for saving models as *.dis files holding rooms without a complete description have been implemented. When a model is saved as an *.arc file, 'nodes' are also saved, which was not the case in earlier versions.
The SimDB database module has been extended to support moisture properties for building materials. The changes are not visible when using the existing databases. The moisture model is being developed and will not be available until later.