https://concepts.mathematik.tu-darmstadt.de/Concepts The Concepts web of Concepts. The Concepts FE Library en-us Copyright 2026 by contributing authors Alf Gerisch (Foswiki) [gerisch@mathematik.tu-darmstadt.de] The contributing authors of Concepts Concepts https://concepts.mathematik.tu-darmstadt.de/Concepts https://concepts.mathematik.tu-darmstadt.de/pub/System/ProjectLogos/Concepts_Logo_blau_80pt.png https://concepts.mathematik.tu-darmstadt.de/Concepts/InstallationGuideExtraLibraries Installation guide : optional libraries complex_bessel, library used for using complex valued Bessel functions. Concepts uses complex_bessel, a library written b... (last changed by KerstenSchmidt) 2024-09-15T18:09:11+02:00 KerstenSchmidt https://concepts.mathematik.tu-darmstadt.de/Concepts/Publications Scientific publication on Concepts 2002 Frauenfelder, P. and Lage, C. Concepts An object oriented software package for partial differential equations. ... (last changed by KerstenSchmidt) 2023-09-16T09:26:22+02:00 KerstenSchmidt https://concepts.mathematik.tu-darmstadt.de/Concepts/WebPreferences Concepts Web Preferences Appearance * Set WEBBGCOLOR = #25f42a * web specific background color, current color * Set SITEMAPLIST = on * set to... (last changed by KerstenSchmidt) 2023-09-14T21:36:50+02:00 KerstenSchmidt https://concepts.mathematik.tu-darmstadt.de/Concepts/InstallationGuide Installation Guide Under construction (last changed by KerstenSchmidt) 2023-09-14T19:17:55+02:00 KerstenSchmidt https://concepts.mathematik.tu-darmstadt.de/Concepts/Gallery Gallery Two dimensional meshes Fig. A quadrilateral mesh geometrically refined towards inner edges (left), a triangular coarse mesh (middle) and a quadr... (last changed by KerstenSchmidt) 2023-09-14T10:36:07+02:00 KerstenSchmidt https://concepts.mathematik.tu-darmstadt.de/Concepts/Pics Pictures of the Concepts Wiki Pictures of the Concepts Wiki are attached to this page. Include them via Main.KerstenSchmidt 11 Sep 2023 (last changed by KerstenSchmidt) 2023-09-14T10:17:44+02:00 KerstenSchmidt https://concepts.mathematik.tu-darmstadt.de/Concepts/WebHome Numerical C Library Concepts In the numerical C library Concepts various finite element methods are implemented in common object oriented framework, which is mo... (last changed by KerstenSchmidt) 2023-09-13T23:35:16+02:00 KerstenSchmidt https://concepts.mathematik.tu-darmstadt.de/Concepts/HowToGetStarted How to get started? Click here if this page doesn't redirect automatically. (last changed by KerstenSchmidt) 2023-09-13T23:29:20+02:00 KerstenSchmidt https://concepts.mathematik.tu-darmstadt.de/Concepts/Doxygen Class Documentation Click here if this page doesn't redirect automatically. (last changed by KerstenSchmidt) 2023-09-11T16:51:50+02:00 KerstenSchmidt https://concepts.mathematik.tu-darmstadt.de/Concepts/InstallationGuideEigenvalueSolver ARPACK eigenvalue solver (implicitly restarted Arnoldi method) Installing packages in Debian, For the Linux distributions Debian or Ubuntu install the package li... (last changed by KerstenSchmidt) 2023-09-11T11:38:07+02:00 KerstenSchmidt https://concepts.mathematik.tu-darmstadt.de/Concepts/Applications Here you find a collection of applications solved with Concepts. Elasticity problems * elasticity2D_tutorial.cc: Implementation of linear elasticity problems ... (last changed by KerstenSchmidt) 2023-09-11T11:32:44+02:00 KerstenSchmidt https://concepts.mathematik.tu-darmstadt.de/Concepts/CIGTutorial CIG Tutorial This example creates a circle in a square (similar to the function createCircleInSquare). Setting up the input generator The Concepts Input Generat... (last changed by KerstenSchmidt) 2023-09-11T11:27:54+02:00 KerstenSchmidt https://concepts.mathematik.tu-darmstadt.de/Concepts/DocumentationPCEVSolve 2D photonic crystal ω formulation (TE and TM mode) sampling over quasi momenta k Filename waveprop/PCEVSolve.cc * Computation of the band structure of... (last changed by KerstenSchmidt) 2023-09-11T10:43:34+02:00 KerstenSchmidt https://concepts.mathematik.tu-darmstadt.de/Concepts/PEC_Disk_v1 Back scattering from a PEC disk with lowest order BGT boundary condition Defining the mesh Option 1: Reading mesh from files The mesh will be imported from fou... (last changed by KerstenSchmidt) 2023-09-11T10:12:12+02:00 KerstenSchmidt https://concepts.mathematik.tu-darmstadt.de/Concepts/InstallationGuideDirectSolver Installation guide : direct solver MUMPS direct solver for real and complex valued unsymmetric matrices Installing packages in Debian, Ubuntu or Redhat (MPI v... (last changed by KerstenSchmidt) 2023-09-11T10:06:19+02:00 KerstenSchmidt https://concepts.mathematik.tu-darmstadt.de/Concepts/Tutorials Tutorials On this page you find a list of tutorials that explain the usage of features offered by Concepts. The basic example in How to get started deals as a mod... (last changed by KerstenSchmidt) 2023-09-11T10:00:57+02:00 KerstenSchmidt