MEPLA PRO v2025.4

Improved

• Setting added for direct display of units in table column headers
• Parametric glass holder editor is now resizable, glass holders can now be moved more easily with the mouse
• Load case combination options are displayed and filtered according to the load factor mode (constant/variable)
• Import of legacy projects now supports zip files with multiple sub-projects
• Page navigation in report windows with keyboard support (Page Up/Down)
• Quick access buttons for new projects/folders insert projects into the currently selected folder/project
• Zooming with CTRL+mouse wheel in drawing windows in addition to existing zoom options
• Corner rounding clearly marks selectable corner points
• Shift-clicking on the corner type rounds all outer corners (when the corner is selected)
• Edit mode for projects and folders by holding down the left mouse button
• "Pressure hit" time-factor files (.tim) are automatically imported for legacy projects

Fixed

• 2025.4.4: Potential issues when saving k_mod have been resolved. Please reselect the default template in load case projects and recalculate your project.
• 2025.4.3: Order of package details in verification fixed
• 2025.4.3: Preview images of glass fixings
• 2025.4.3: Database folders in user-area of database can be deleted
• 2025.4.3: Duplication fixed for tables
• Saving conc. loads corrected
• Saving coated layers definition under Verification corrected
• Saving the snow conversion setting
• Remaining license days are calculated correctly and log language is stored properly
• Chord shortening settings are no longer incorrectly marked as faulty if not evaluated
• CTRL+F12 resets window position if window is outside visible area
• Protocol language of new projects automatically matches UI language
• TXT and RTF format revised
• "Disable Automatic" is saved correctly and climate load names are restored when loading
• Import of SJ Mepla 5.0 projects without archive date

Changed

• Added default settings for portrait/landscape mode, Window size is saved
• Redesigned protocol preview layout with save and print buttons on the left side, plus shortcuts to save outputs directly
• Notification window when generating new load cases has “Append” as the default option, "Cancel" is now also possible
• Constant snow load is always treated with a negative sign
• Verification headers adjusted
• Description of load cases can be deleted

MEPLA PRO v2025.3

• Improved: Small fixes while loading of Legacy-Projects (Version 5)
• Improved: Verification now also at borehole edges of custom clamp fixings
• Improved: If a new standard template is selected, the k_c coefficient is also reset
• Fixed: Project description is saved correctly again
• Fixed: Points can be dragged to the edge in the drawing window
• Fixed: Chord shortening is saved and calculated correctly
• Fixed: Important corrections in the assignment of climate loads

MEPLA PRO v2025.2

• Updated: When clearing the edges from a structure table, one edge will remain to make editing easier
• Updated: The drawing area in the "Area Support"-Tab is interactive now
• Updated: The sort direction of per-package-tables is consistent now (same as in Layers)
• Improved: Copy/Paste Routines updated for more reliable behavior
• Improved: Bump Intel® compiler versions and calculation routines
• Fixed: Deletion of entries such as Layers created inconsistencies in the project file
• Fixed: Edge-Beam support types are displayed correctly
• Fixed: Reset Button was not showing in glass type table dropdowns (and others)

MEPLA PRO v2025.1

• Updated: Folder structure is now alphabetically ordered
• Updated: Example projects are now grouped in a dedicated folder
• Updated: When importing a legacy project, no additional sub folder is created
• Fixed: Depending on the machine culture, errors during project loading occurred

MEPLA PRO v2025.0

• New: Fully new front end with enhanced possibilities
• New: Interactive design
• New: Utilities for setting up the geometry like building holes, rounding corners, selecting edges, simply adding more structures, ...
• New: Interactive drawing window for selection and positioning of loads, clamps, ..
• New: Automatic mesh refinement at clamps, corners, cut-outs, ... as well as under local loads and boundary conditions
• New: A glass panel can be composed of several parts and thus allows intermediate support by elastic edge supports, edge beams within the glass, etc. edge supports, clamped areas, ...
• New: Definable insulating glass areas (e.g. for sectional insulating glass)
• New: Area supports for parts of the panel
• New: Optimization of the calculation speed by up to 50%
• and much more

v5.0.12 (2022, SJ Mepla, Update)

Main Program

• Integration of SIA 2057 (Switzerland)new Code Templates
• new climate loads templates
• Considering partial shear effects with G = 0.4 for short time loads and SLS
• Loadcase generation with snow coefficient according to location height formula
• Depth of combination splitted for single glass and insulated glass
• Improved integration for Ö-Norm (Austria)
• Partial shear effects for horizontal and vertical glass position for ULS and SLS
• CAN / CGSB, Areafactor A^(-1/7) added to design formula
• Reduced safety factor for dead weight with overhanging glazing (>90°) corrected

v5.0 (2018, SJ Mepla, Upgrade)

Main Program

• Completely revised load case generation and stress check now according to any Codes (also DIN 18008, prEN16612, Ö-Norm, NEN2608, CAN CGSB 12.20, ...)
• Free selectable safety and combination factors for Ultimate Limit State and Serviceability Limit State
• The formula can be written by the customer himself for actually not included norms (a formula interpreter allows any formula to consider)
• For each kind of load a separate kmod can be given (no collection within load groups any longer
• Combination depth can be adjusted
• New enhanced Kelvin-Voigt impact model. This is an alternative to the pendulum body and allows also to model persons, animals or other impactors like footballs, hailstones, …
• All reaction forces and deformations of this new impactor can be shown in a curve diagram (e.g. Contact force over time)
• All load cases can in general be used together with load steps. Now also limit cases with high loads applied can be solved, where up to now convergence problems could have been arisen.
• The cord shorting (change in length by deflection) is now selectable for all kind of loads (also dynamic impact calculations).
• The shortening over time can be shown too in the curve diagram.
• Boreholes are now recognised as borders and can be considered specially by checking against reduced limit stresses. (mentioned also in the protocol)
• Climate loads now consider the full barometric pressure height formula (no further use approximation formula). By this, the pressure change by ΔH is now valid up to 15km height.
• The „down-holder clamp” can now also clamp inner glass packages, so that “toggle clamps” in Insulated Glass Units are better simulated.
• The distance change in Insulated Glass Unit during impact can be recorded and shown in a diagram
• Inside pressure of IGU is written into the protocol
• Qualitative simulation of the residual load-bearing capacity and the cracking behaviour of broken panes
• Type of calculation now centrally positioned under Options
• Revised languages

Graphics

• Illustration of the new Kelvin-Voigt Impact Model
• Further buttons to control the display (BACK, FIRST, GOTO)

Finite Element Kernel

• Enhanced solution speed by furthermore usage of parallel computation methods using multi core processors
• Speeding up the system

Service Updates

• Separate spacer properties at bore holes added
• Large result files (>2GB) can now be shown too
• Smaller changes in program flow
• Some changes in language and result files
• Deleting several load cases in common - solved
• During calculation protocol results now disabled
• Marked layer to transfere load at the borehole were lost - solved!
• Copy function added to Norm Templates
• NEN2608 design formula extended; for factor E = ke < 1.0 an additional stress check at selected edges will be done

v4.0.2 (2016, SJ Mepla, Update)

Main Program

• Increased processing and selection possibilities within loadcases:
  • Selecting single load cases out of the full list for calculation
  • Selection of multiple load cases by parallel pressing the CTRL or SHIFT key and a LeftClick
  • Direct acting DEL and INS key on marked load cases
  • CTRL +C, CTRL-X und CTRL+V key (copy, cut, insert at a new position)
  • Drag&Drop of selected load cases directly by moving and releasing LeftClick
• Loadcase settings for ΔH will now be stored too
• Following blanks within the project name are automatically removed
• Load case factors are displayed also in the graphics tool now
• Enhanced automated load case generation for the German Guideline TRLV / TRAV
• New glass type settings to consider 15% allowable stress increase for insulated glass units according to TRLV
• Further reduction of load cases acting in the same direction now also for vertical glass

v4.0 (2015, SJ Mepla, Upgrade)

Main Program

• All program parts ported to 64bit (32bit is no longer supported)
• Minor changes in the program surface
  • Colored active project
  • Scroll wheel can now be used for the protocols
  • List of load cases can be viewed by scroll wheel or arrow keys, …
• Completely shifted to UNICODE (paths, project names,… now possible in country-specific character set)
• Simplified language switching without restarts
• 2 new languages Polish and Czech
• Automated load case generation and design proof
• Standard/Codes can be set freely
• Automated load case generation depending on pre-selected loads
• Some load combination options possible
• Checking load resistance or servability or both in one calculation
• Considering of load duration effects in resistance (k_mod or other)
• Parallel check of free glass edges with reduced strength
• Parallel check of coated glass surfaces (enamelled)
• Proof of shortening effects
• Considering of special factors for laminated glass
• Preset Codes: DIN 18008, TRLV or rudimentary ASTM E1300
• Additional protocol with load case results and resistance check
• Tabulated condensed output
• Open format to be used in any word processing program
• Direct ULS and SLS design check
• Tabulated listing of each load case result

Graphics

• Intel 3000 and 4000 graphics cards added

Finite Element Kernel

• Enhanced solving by use of multiprocessors for
  • building the finite element mesh
  • setting up the stiffness matrix and solving
  • band with optimization
• Speeding up the system more than factor 2
• Enhanced convergence for insulating glass units

v3.5 (2010, SJ Mepla, Upgrade)

Main Program

• totally modified user interface for more intuitive handling
• changed project structure for more levels
• multitasking work is possible now, running several projects and generating new projects
• multi-processor usage for very much faster equation solving
• In-Core and Out-Of Core solver
• support for 32 and 64 bit systems
• line loads along curved borders
• comment text for each load case
• definition of linear increasing snow loads within "Loadcase"
• consider shear effects within load case
• self defined climate loads
• contact conditions for bonded edges
• 3 new models for point fixings with covering glass panels
• loads can now be applied at fixings
• to cancel the mesh generation and solution process is possible now
• modified graphics window (in-plane deformations,...)
• protocol in portrait or landscape format
• 3 more languages for writing the protocol (Italian, Spanish and Portuguese)