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Isogeometric Analysis in LS-DYNA with the new CAD-inspired *IGA keywords

Isogeometric Analysis (IGA) is a finite element technology that uses splines (e.g. NURBS = Non-Uniform Rational B-Splines) known from Computer Aided Design (CAD) for describing the geometry and the solution field. Employing such higher-order and higher-continuity basis functions may not only enable a better integration of CAD and analysis, but also offers other potential benefits such as a more accurate geometry description, higher predictive accuracy, a larger element size or an increased time step size in explicit dynamics.

This webinar provides a brief introduction to Isogeometric Analysis (IGA) with Non-Uniform Rational B-Splines (NURBS), a comparison to conventional finite element analysis and a discussion on potential benefits. It furthermore presents the current IGA capabilities in LS-DYNA for shells and solids, with a special focus on the new CAD-inspired *IGA keywords and trimmed multi-patch shell models. This is complemented with a demonstration of IGA benchmark examples and first industrial applications.

Date: April 16, 9-10 am (CET)

Dates
Dates Duration/days Registration Referee Language Location Fee
16.04.2021
1 h Lukas Leidinger English free

Lecturers

Lukas Leidinger

Lukas Leidinger

Dr.-Ing.

Areas of expertise:
Isogeometric analysis, crash calculation.

Academic studies:
Mechanical Engineering

Stefan Hartmann

Stefan Hartmann

Dr.-Ing.

Areas of expertise:
Composites, FE theory

Academic studies:
Civil engineering