SOLIDO - Previous versions

Previous versions

Version 5

SOLIDO v5.0.04

  • Bugfixes:
    • Avoid accidental visualisation attempt of triangulated object when non-existant.
    • Avoid asking to save STL-files when not modified.

SOLIDO v5.0.03

  • Bugfixes:
    • Avoid hanging when opening new document on some machines.
    • Avoid accidental very small zoom windows on left mouse click.
    • Go back to wireframe object after changing setting 'Fill Option'.

SOLIDO v5.0.02

  • Possible to use enforced U-value for flanking elements.
  • Improved navigation of tables in windows:
    • Mousewheel scroll.
    • Tab and arrow keys to move to adjacent table cells.
    • Row select (in Blocks window) by clicking (left mouse button) the row number (holding the <Shift> and <Ctrl> keys, a selection range can be defined).
    • Cell select (Grid window) by clicking (left mouse button) the cell while holding the <Ctrl> key (holding the <Shift> key, a selection range can be defined).
    • Column select (Grid window) by clicking (left mouse button) the column header.
    • Column and row header of active cell highlighted with changed background color instead of bold font.
  • Replace Help > How To's with link to website's Knowledge Base (which contains more information).
  • Retile windows every time the main application window size changes.
  • 'Show wireframe object' is now a toggle.
  • Bugfixes:
    • Show single temperature line.
    • Avoid creating 2 .sld files when importing .bsc file.
    • Avoid crash upon 'Undo' after coordinate transformation of STL block.
    • Tooltip uses correct font in table headers.
    • Allow double clicking to edit when the cell is too small to show all contents.

SOLIDO v5.0.01

  • Bugfixes:
    • Error in view factor calculation resulting in occasional crash
    • Coloured block points visibility according to depth position in 2D views
    • Error in automatic lambda value calculation EQUIMAT with an adiabatic symmetry axis


  • Improved STL file handling:
    • Import of multiple STL files at the same time possible.
    • Automatic colour index assignment to STL block if colour index as prefix in STL file name (e.g. "170_xxxx.stl").
    • No need to save STL files after every transformation.
    • Dragging of STL blocks (selecting any STL point).
    • Block points of the STL block bounding box available.
  • Image window:
    • Dragging of blocks possible with mouse.
    • Additional orthogonal (2D) and transparent viewing options available.
    • Rotate 3D object (and pan 2D view) by holding the mouse wheel.
    • Zoom factor as a user defined setting.
  • Non-consecutive blocks can be copied and moved.
  • 'Raster' and 'Mesh' properties moved to Blocks window.
  • New switch 'Enable' in Blocks window to quickly include or exclude blocks from the model.
  • New function ‘Make property global’ to change a property for all the blocks in the Blocks window (e.g. changing mesh size for all solids).
  • Graphic output:
    • Revised legend with indication of material names and clustered cavities per EN ISO standard. The colour for each cluster of cavities can be defined by the user.
    • Areas and U-value lines can be visualised (as in TRISCO).
  • New parameter for automatic selection of boundary condition temperatures.
  • Improved algorithm for automatic grid generation: “AutoGrid Generation”.
  • Automatic recalculation of thermal properties in the Colours window.
  • Revised Colour window to allow conformity with different EN standards. A new column 'Standard' replaces the former columns 'C1', 'C2' and 'C3' (fully compatible with BISCO v12 and TRISCO v15).
  • Implementation of the equivalent thermal conductivities for air voids and layers according to EN ISO 6946.
  • Introduction of Colour database allowing to quickly adjust frequently used materials and boundary conditions (File → Open Colour Database…).
  • Increased calculation speed due to improved neighbouring nodes algorithm for viewfactor zones (RADCON).
  • New calculation parameter allows to define the resolution of the view factor calculation grid.
  • Increased calculation speed due to improved algorithm when clustering viewfaces in viewfactor zone (RADCON).
  • Option to save Text Output in CSV format for post processing (e.g. MS Excel).
  • Additional thermal palette ("Ironbow") available for graphic comparison with IR-images.
  • Automatic selection of high-performance GPU (AMD or Nvidia) if present to ensure high quality 3D visualisation.
  • Improved compatibility with other Physibel software:
    • Areas and U-values from TRISCO files read.
    • Trisco2D and BISCO files can be imported and extracted to 3D according to user preferences.
  • Bugfixes:
    • OpenGL 3D visualisation crashes on Intel integrated GPU solved.
    • Automatically switch Tmin and Tmax in Temperature Range dialog box if Tmin>Tmax.
  • Off line activation of software licence keys added.
  • Cloud-based licences automatically activated when opening application.

Version 4

SOLIDO v4.2.01

  • Network floating licence viewer
  • Different major versions can coexist on a computer


  • Feature 'Unlimited nodes' replaces old 64-bit version
  • Documentation accessible from the SOLIDO menu ‘Help’: Manual, How to’s and Tutorials.
  • More documentation (example projects, validation projects and training material) available via the online Physibel Portal (
  • Extended software protection options:
    • Hardware licence key (USB): stand-alone
    • Software licence key: stand-alone, network floating and cloud-based floating.
  • Bugfixes:
    • Scaling stl file when importing BISCO file


  • New grid functions: “automatic mesh generation” (based on close rasterisation of object geometry, and subdivision of larger meshes, to get a reliable calculation grid), and “automatic merge” of successive meshes which rasterised cross sections are identical. These new grid functions enable to cancel the grid function Grid > Optimise Grid… (up to SOLIDO v4.0w).
  • Graphic output of single isothermal line.


  • Made compatible with TRISCO v13.0w.
  • Select blocks in Blocks window and select grid meshes in Grid window made identical as in TRISCO.
  • Use of highlighted colour in Image window for current mesh in Grid window or current coordinate in Coordinates window, as in TRISCO.
  • Hide Selection Outline function in Image window, as in TRISCO.
  • Grid unit mentioned in Grid window, Coordinates window, Block Points window, Colours window (mesh size), Areas window, U Values window and in dialog boxes with measures expressed in grid units, as in TRISCO.
  • Zoom in and out using the mouse wheel, as in TRISCO.
  • Grid subdivision using maximum mesh width avoids creation of very narrow meshes (smaller than 0.1 % of maximum mesh width), as in TRISCO.
  • Automatic split function of grid meshes, as in TRISCO.
  • Grid function for merging small meshes (e.g. useful after Grid > Insert STL Coordinates…).
  • New function to detect void space in object model (by conversion of void space to new blocks of type POINT), useful to prevent unwanted adiabatic boundaries, as in TRISCO.
  • Automatic definition of optimal coordinate resolution at the start of each calculation (instead of user defined setting in former versions).
  • Better adjustments of fitted grid nodes to minimise fit grid failure (when Image > Fit Grid). In case of fit grid failure the grid numbers of the guilty grid cell are shown.
  • Status bar in Graphic Output window with material or boundary
Presentation SOLIDO v4

Version 3.1

  • Insert new grid coordinates from STL triangles which are orthogonal to a coordinate axis.
  • Export grid voxels of a rasterised object (after Image > Fill Grid) as rectangular blocks of a TRISCO data file.
  • Both previous functions allow to convert STL files of rectangular objects into TRISCO data files.

Version 3.0

  • New type of boundary condition in RADCON module: transparent material (with conduction and radiation), useful for narrow air cavities (with still air).
  • Redefinition of “Zoom In” function as in TRISCO v11.0w.
  • Better feedback (by colour shading) in Image window of current mesh in Grid window and current grid coordinate in Grid Coordinates window.
  • Rasterising by swelling: new function to prevent the (partial) loss of thin materials (e.g. metal pins or plates) in the rasterised voxel space. This function allows to use less dense grid meshes when thin materials in a slanting position are present in the object geometry.
  • Better fitting of grid nodes preferably onto object vertices, then onto object edges and finally onto object surfaces. Better solution against the unwanted creation of negative grid cell volumes due to possibly large displacements of nodes through fitting. These improvements are important in obtaining a better object meshing.
  • New view factor calculation method, based on automatic surface clustering (based on surface normals and centres) to break down quadratic memory requirement and quadratic calculation time. Large view factor surfaces are automatically refined to achieve a better precision. There is no need anymore to do a preliminary calculation of view factors based on a coarser grid definition. No view factor factor file is used any more.
  • The former calculation parameters related to view factors (smallest accepted view factor and number of visibility rays between radiative surfaces) are cancelled.
  • Graphic representation of heat flow densities also in material cutoff planes (through clipping), to visualise heat fluxes inside materials.