DYNAmore Express: Overview on LS-TaSC and new features in version 4.1

LS-TaSC™ is a Topol­o­gy and Shape Com­pu­ta­tion tool. De­vel­oped for en­gi­neer­ing an­a­lysts who need to op­ti­mize struc­tures, LS-TaSC works with both the im­plic­it and ex­plic­it solvers of LS-DY­NA. LS-TaSC han­dles topol­o­gy op­ti­miza­tion of large non-lin­ear prob­lems, in­volv­ing dy­nam­ic loads and con­tact con­di­tions.

Version 4.1 is a minor release focusing on incorporating design for natural frequency using modern mathematical programming techniques. It contains the following features:

- Animations of the design iterations.
- Constraint bounds can be placed on a frequency. This is possible only for a single eigenvalue load case – full MDO will follow in a later release.
- Mode tracking for frequency constraints.
- Linear pentahedral and tetrahedral elements, as well as, the *CONSTRAINED_NODAL_RIGID_BODY keyword are supported for frequency design.
- User defined DSA for the global variables. This reduces the amount of FEA evaluation for constrained optimization. The user must be able to provide an estimate of the DSA values.

 

Start: 9:00 am

Duration: approx. 1 h

Dates
Dates Duration/days Registration Referee Language Location Fee
17.04.2020
2 h
free

Lecturers

Katharina Witowski
Katharina Witowski

Dipl.-Math.
Area of expertise: Optimization
Academic studies: Mathematics

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