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LS-OPT

LS-OPT is the design “OPTimization” software developed by LST. Its core competency lies into the well-organized parallel processing environment

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LS-OPT Benefits

Available free of cost for licensed LS-DYNA users
Recognize lack of fit parameters
Determine failure probability
Identify ideal environment variables
Reduce number of simulations

LS-OPT Features

Helps user to specify optimization inputs
Run multiple jobs simultaneously
Monitor and control parallel simulations and post-process optimization data
Eliminate the complications involved in design process
Make optimization process efficient and streamline
Compatible with the other commercial solvers

Statistical methods incorporated to establish relationship between input variables and its response

Response Surface Methodology (RSM)
Monte Carlo Investigations
Analysis of Variance (ANOVA)
Global Sensitivity Analysis (Sobol)

LS-OPT Capabilities

Optimization

Topology optimization
Multidisciplinary Optimization (More than one load case, more than one CAE-Discipline and more than one variable)
Multi-Objective Optimization
Genetic Algorithm (GA) assisted design optimization

System identification

Material parameter evaluation
Visualization of simulated and target curve
Calibration of LS-DYNA results to the test results is performed
Objective is to minimize the error between the test results and the simulation results

Robustness analysis

Correlation Analysis
Consideration of uncertainties
Evaluation of reliability
Visualization of statistical results on the FE-Model

Design exploration

Study of design change
Constraints on the meta models
Influence of single parameter on a history curve
Interactive prediction of response values

Sensitivity Studies

Contribution of variables to system performance
Identification of significant and insignificant variables
Ranking of importance