What's New in OptiStruct 12.0
The 12.0 release of OptiStruct contains significant enhancements in Noise and Vibration, Powertrain Durability, Heat Transfer Analysis and Optimization. Besides expanded capabilities, significant improvements have been made in simulation speed by taking increased advantage of parallel computing and GPU computations. Some of the key improvement areas are noted below:
Stiffness, Strength, Stability
- Pre-loading using Non-linear Results for Buckling Analysis, Frequency Response and Transient Analysis
- Improved Convergence of Contact Analysis with Friction
- Contact-friendly second order solid elements
Noise and Vibrations
- AMSES Large Scale Eigenvalue Solver
- Fast Large Scale Modal Solver (FASTFR)
- Frequency Dependant Material Properties
- Radiated Acoustics
- Automatic One Step Transfer Path Analysis (PFPATH)
- Reduced Run Time
Powertrain Durability
- 1D and 3D Bolt Pretension
- Modeling of Gaskets
- Contact Improvements
- Plasticity Enhancements
Thermal Analysis
- Linear Transient Thermal Solution
- Thermal Contact
Kinematics and Dynamics
- Ply-based Composite definition for MBD analysis
- Improvements on Flex Bodies
Optimization
- Alternative-design Exploration
- Manufacturability of Optimized Solutions
- New manufacturing constraints
- Enhanced Usability
- New response types (NVH, Nonlinear, Composites, Structural)
- Alternative treatment of responses
- Improved model handling for optimization
- Improved Solutions
- Free shape remeshing
- Ply bundle generation for sizing optimization
- Improved Performance
- Efficient approximations
- Parallelized nonlinear solution for ESLM
- Streamlining the Design Interpretation Process
- More robust design interpretation
- Ply shape smoothing and handling
- Use of manufacturing constraints to aid geometry creation
- Quick reanalysis