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Altair SimSolid 2021.1.0 | 532.0 mb
The software developer Altair is pleased to announce the availability of SimSolid 2021.1.0 is a structural analysis software developed specifically for rapidly evolving design processes, enabling the analysis of fully-featured CAD assemblies in minutes without meshing.

Altair SimSolid 2021.1.0 Release Notes - Date: 09/10/2021

Highlights of this release include:
- Incremental loading for nonlinear geometric analysis
- Spot weld fatigue analysis
- Orthotropic materials support thermal expansion coefficients
- Small/large prescribed rotations
- Flexible remote mass
- Improved solution performance for protruded parts
- 3DConnexion space mouse support

New Features Incremental loading for nonlinear geometric analysis
Geometric nonlinear analysis can now be run by incrementally applying the load and the number of load increments is user-defined. Result plots for all the result types and reaction forces are available across all the load increments.

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This capability provides you the ability to calculate the limit load and snap-through behavior of the structure.
Incremental loading is not available for material nonlinearity, contact nonlinearity, or bolt/nut tightening.
Spot weld fatigue analysis
Spot weld fatigue is now supported for stress-life method. It is supported for both sequential and time-history based solution.

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Spot weld fatigue implementation is based on Rupp method, which examines the weld at three distinct locations, the sheets, and the nugget. The cross-sectional forces and moments at the sheets and the nugget are used to calculate the corresponding stresses which are then used to calculate fatigue damage.
Orthotropic material supports thermal expansion coefficients
Thermal expansion coefficients along three axes can be defined for orthotropic material. Thermal distortion studies can now be performed using SimSolid.
Small/large prescribed rotations
Prescribed rotations can be defined using remote load/displacement for all structural and multiloadcase analysis. The remote load supports enforcing both translations and rotations at a remote point location. The translations can be applied in mm, and the rotations in degrees. They can be applied in a global or local coordinate system.
Flexible remote mass
A new flexible remote mass type is now supported under Connections > Virtual connector. This type of remote mass is connected to the faces/spots without completely rigidizing them, but borrowing stiffness from connected parts. It is still recommended to create remote masses locally in the structure.
Improved performance for protruded parts
Parts that have similar cross-section across their length are now recognized as protruded parts. They can be reviewed from the Assembly workbench using Show > Protruded. The solution performance for such parts have been improved both in terms of run-time and memory footprint. Running analysis on protruded parts is up to 6 times faster with memory requirement reduced by up to 90%. The performance gains are higher with larger and more complex assemblies.
3DConnexion space mouse
SimSolid now supports 3DConnexion’s space mouse and 3DConnexion 3Dxware, version 10.6.5 or newer is required. Space mouse provides interactive motion control of 3D geometry in up to six degrees of freedom, It works in conjunction with a standard serial mouse. Space mouse is currently not supported on virtual machines.
SimSolid Advanced product package
A new product called "SimSolid Advanced" is now offered in AU Mechanical Engineer, AU Mechatronics Engineer and AU Enterprise Suite. SimSolid Advanced draws 50 AU’s and provides access to incremental loading for geometric nonlinear analysis, fatigue analysis and batch mode.
Enhancements Displacement magnitude along force direction
Displacement magnitude across faces with force load along the direction of force is available for quick stiffness assessment. This functionality is available via Pick info > Pick load for structural and multi-loadcase analysis. It is supported for force and remote loads only.
Rigid option for bushing stiffness
Bushings can now be created with a ‘rigid’ option in the stiffness. A rigid option will add very high relative stiffness simulating a rigid connection. A ‘0’ stiffness can also be now defined proving complete freedom for the connection along the defined direction.
Signed von Mises stress
A new result type called "signed von Mises stress" is now available. The sign of the signed von Mises is determined by the sign of that principle which has the highest absolute value.
Enhanced material database
Enhanced material database now supports review of SN/EN curves.

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Enhanced coordinate system
Coordinate system dialog can be used to create a local coordinate system to which boundary conditions can be later applied. It now supports defining a system axis by translating and rotating the system about a local axis. There is also a new user selection mode to define origin at the COG of selected faces. A custom coordinate system is also supported that can be created from the load dialog directly.
Updated CAD import formats
The list of supported CAD formats has been updated as:

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Other enhancements
- Minimum and maximum results across selected face(s) are now available. Pick info > Pick face now displays face min/max and average values of the result type for structural and multi-loadcase analysis. It also lists the coordinates of face min/max.
- Bolts with conical heads are now recognized during import. This recognition provides you the ability to apply pretension loads.
- Linearized stresses can be queried at datum point sets.
- Reaction and spot weld forces are now available for multi-loadcase.
- Reactions at bushings can be output in local bushing coordinate system.
- Orthotropic material properties are validated during input.
- Virtual joints can now be used with large displacement geometric nonlinear analysis.
- Solution errors caused by local geometric irregularities highlight the regions with issue.
- Improved target axial force achievement with bolt/nut tightening by improving the solution adaptation around the bolts.
- Improved virtual connectors representation from point-cloud based to face-based to increase the connectors fidelity.
- Increased the allowable limit for maximum number of modes to 2000.
- The rotation center for CATIA mouse setting can be changed by a click of the middle mouse button.
- Part display status is retained when following tasks are used: Review part connections, review part contact conditions, zoom for parts/connections, selecting regular connections and virtual connectors in the project tree.
- Universal joints can be defined by connecting more than two faces.
- Improved error messages with importing materials to the database.
Resolved Issues - Issues related to connections on nuts and cylindrical faces.
- Issues related to contact conditions at bolts.
- Issues related to geometrical instabilities.
- Geometry recognition issues during import.
- Several crashes with the product.
- Issues updating bolt pretension.
- Disabled the ability to create multiple gravity loads.
- Disabled ability to cancel on save as it leads to corruption of the project.
- Issues related to inconsistent results with copy of force/displacement.
- Restricted connections gap/penetration tolerance to zero or positive numbers.
- Restricted fatigue strength reduction factor to be greater than or equal 1.
- Issues with weak bushings.
- Issues related to adhesives in thermal analysis.
- Issues related to reactions at adhesives in non-linear geometric analysis.
- Issues related to stresses in dynamic analysis with distributed mass.
- Issues related to conflict between elasticity modulus and stress-strain curve for materials in the project.
- Issues related to seam weld generation from solids and lines.
- Issues related to importing materials via SimSolid plugin within SolidWorks.
- Removed the ‘Hide CAD Welds’ option from the Connections context menu.
- Issues related to reactions at virtual connectors.
- Issues related to mapping imported remote loads.
- Issues related to frequency response analysis with translational inertia.
- Issues related to renaming connections that include material information.
- Issues related to adding parts to the ‘Edit connections’ dialog from the Project Tree.
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SimSolid is a game-changing simulation technology for designers and design engineers. Its just the perfect tool to kick-start any design process.

This software completely eliminates the need for any geometry simplifications and meshing enabling you to get most out of your structural analysis in the least possible time. With SimSolid, model preparation is done within minutes. Even complex parts and large assemblies can be analysed with ease. SimSolid is tolerant of imprecise geometry and is just the right thing to accelerate your design process.

In addition, this structural analysis solution is fast, really very fast. Highly accurate simulation results are obtained within minutes! Multiple design scenarios can be quickly analyzed and compared. And, accuracy can be specified on an individual part level allowing a rapid drill down to any level of detail that is required.

Introduction to Altair SimSolid

This video discusses some of the key benefits of Altair SimSolid and contains a detailed demo and product workflow. After viewing this video, you should be able to run your first simulation within the tool
Altair transforms design and decision making by applying simulation, machine learning and optimization throughout product lifecycles. Our broad portfolio of simulation technology and patented units-based software licensing model enable Simulation-Driven Innovation for our customers. With more than 2,000 employees, Altair is headquartered in Troy, Michigan, USA and operates 71 offices throughout 24 countries. Altair serves more than 5,000 customers across broad industry segments.

Product: Altair SimSolid
Version: 2021.1.0 Build 96
Supported Architectures: x64
Website Home Page : www.altair.com
Languages Supported: english
System Requirements: PC *
Size: 532.0 mb

* System Requirements: Recommended configuration

- Intel I7 based computer; 4-cores (8-threads);
- 16 GB of memory;
- OpenGL compatible graphics card
- Microsoft Windows 7, 8.1 or 10 (64-bit only)
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Download File Size:632.9 MB

Altair SimSolid 2021.1.0
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