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Netgen NGSolve Netgen NGSolve is a high performance multiphysics finite element software It is widely used to analyze models from solid mechanics, fluid dynamics and electromagnetics Due to its flexible Python interface new physical equations and solution algorithms can be implemented easily
Getting started with Netgen NGSolve — NGS-Py 6. 2. 2503 documentation The netgen GUI can be started by clicking on the "netgen exe" in your installation folder When using the msi-installer the executatble is added to the start menu Another option to start the GUI is to open a command prompt and type
Downloads - NGSolve # Depending on platform, use either pip or pip3 pip install --upgrade ngsolve # to work with jupyter notebooks pip install --upgrade webgui_jupyter_widgets
NGS-Py Finite Element Tool — NGS-Py 6. 2. 2503 documentation - NGSolve Netgen NGSolve 6 contains a rich Python interface Program flow as well as geometry description and equation setup can be controlled from Python You should be familiar with weak formulations of partial differential equations and the finite element method (NGSolve-oriented lecture notes are here: Scientific Computing ) and the Python
Key Facts - NGSolve Netgen NGSolve provides the full workflow of finite element simulation: The constructive solid geometry module supports geometric modeling Alternatively, geometric models can be imported from different formats The Netgen mesh generator automatically generates high quality tetrahedal meshes
Interactive NGSolve Tutorial — NGS-Py 6. 2. 2503 documentation The authors of the sections are Jay Gopalakrishnan (Getting Started), Joachim Schöberl (Advanced Topics), Christoph Lehrenfeld (Time-dependent and non-linear problems), Christoph Wintersteiger (Geometric modeling and mesh generation) Big thanks to Matthias Hochsteger for integrating the Netgen-GUI into Jupyter
Define and mesh 2D geometries — NGS-Py 6. 2. 2503 documentation - NGSolve Netgen Tutorials Define and mesh 2D geometries Curved boundaries; Multiple subdomains; Boundary condition markers; New features since Nov 2, 2015: New feature since Nov 26, 2015: Constructive Solid Geometry CSG; Working with meshes; Manual mesh generation; Mesh Size and Refinement
Manual mesh generation — NGS-Py 6. 2. 1809 documentation - NGSolve from netgen geom2d import unit_square, MakeCircle, SplineGeometry from netgen meshing import Element0D, Element1D, Element2D, MeshPoint, FaceDescriptor, Mesh from netgen csg import Pnt Next, we decide on the parameters for the mesh:
Netgen parallelization - NGSolve Netgen parallelization Since the third user meeting in July we spent some of our time on optimization and parallelization of the meshing code in Netgen This post presents the improvements implemented so far As can be seen in the diagram below, most of the computation time was spent in mesh optimization
Netgen Examples - NGSolve Netgen 6 2 adds the possibility of defining Integrals on codimension 2 objects (on the boundaries of boundaries - BBND) This enables i e the definition of currents on a segment in a 3D geometry, to compute the magnetic field of a thin wire