John W. Peterson jwpeterson
jwpeterson
/ boundary_ids_test.cc
Created
November 10, 2015 21:39
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| #include "libmesh/libmesh.h" | |
| #include "libmesh/mesh.h" | |
| #include "libmesh/ucd_io.h" | |
| #include "libmesh/mesh_generation.h" | |
| #include "libmesh/elem.h" | |
| using namespace libMesh; | |
| // Uncomment this or compile with -DOLD_STYLE_BOUNDARY_IDS to test | |
| // old-style boundary_ids() function. |
jwpeterson
/ netgen_test_04.cc
Created
October 23, 2015 19:19
Small example demonstrating meshing of constructive solid geometry (CSG) with Netgen via libmesh
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| #include <iostream> | |
| #include <fstream> | |
| #include <map> | |
| #include "libmesh/libmesh.h" | |
| #include "libmesh/mesh.h" | |
| #include "libmesh/point.h" | |
| #include "libmesh/cell_tet4.h" | |
| // NOTE: This example only works if you have built and installed |
jwpeterson
/ Makefile
Created
October 22, 2015 19:49
Simple Makefile that can compile single file libmesh applications.
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| # This Makefile assumes you have libmesh built and installed in $LIBMESH_DIR. | |
| # If the user has no environment variable | |
| # called METHOD, he gets optimized mode. | |
| ifeq (x$(METHOD),x) | |
| METHOD := opt | |
| endif | |
| # installed libmesh location of libmesh-config script | |
| libmesh_config := $(LIBMESH_DIR)/bin/libmesh-config |
jwpeterson
/ andrew_yt.cc
Created
October 22, 2015 19:23
Evaluate solution at given point in Hex20 element.
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| #include "libmesh/libmesh.h" | |
| #include "libmesh/mesh.h" | |
| #include "libmesh/elem.h" | |
| #include "libmesh/cell_hex20.h" | |
| #include "libmesh/fe.h" | |
| #include "libmesh/fe_interface.h" | |
| using namespace libMesh; | |
| // This is an example hopfully showing YT people how to evaluate |
jwpeterson
/ netgen_test_02.cc
Created
October 22, 2015 16:18
Test demonstrating meshing a 2D surface with Netgen from within libmesh
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| #include <iostream> | |
| #include <fstream> | |
| #include <map> | |
| #include <cstdlib> // std::getenv() | |
| #include "libmesh/libmesh.h" | |
| #include "libmesh/mesh.h" | |
| #include "libmesh/point.h" | |
| #include "libmesh/face_tri3.h" |
jwpeterson
/ netgen_test_01.cc
Created
October 22, 2015 16:16
Simple example code demonstrating calling netgen from libmesh
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| #include <iostream> | |
| #include <fstream> | |
| #include <map> | |
| #include <cstdlib> // std::getenv() | |
| #include "libmesh/libmesh.h" | |
| #include "libmesh/mesh.h" | |
| #include "libmesh/point.h" | |
| #include "libmesh/cell_tet4.h" | |
| // #include "libmesh/exodusII_io.h" |
jwpeterson
/ prism15_embedding.cc
Created
May 13, 2015 20:28
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| // This utility code is used for generating the embedding matrix for the Prism15 element | |
| #include <iomanip> // std::setw | |
| #include "libmesh/libmesh.h" | |
| #include "libmesh/mesh.h" | |
| #include "libmesh/elem.h" | |
| #include "libmesh/mesh_generation.h" | |
| #include "libmesh/mesh_modification.h" | |
| #include "libmesh/getpot.h" | |
| #include "libmesh/fe_interface.h" |
jwpeterson
/ david_tet10.cc
Created
May 5, 2015 22:31
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| // This test code is to investigate David Knezevic's bad Tet10 | |
| #include "libmesh/libmesh.h" | |
| #include "libmesh/mesh.h" | |
| #include "libmesh/elem.h" | |
| #include "libmesh/cell_tet10.h" | |
| // Bring in the libmesh namespace | |
| using namespace libMesh; | |
| int main (int argc, char** argv) |
jwpeterson
/ second_derivs.cc
Created
April 1, 2015 22:59
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| // This example tests out the calculation of second derivatives | |
| // Run me with: | |
| // ./second_derivs-opt -d 2 -n 2 -o FIRST -ksp_monitor -pc_type hypre -pc_hypre_type boomeramg > second_derivs.log | |
| // C++ include files that we need | |
| #include <iostream> | |
| #include <algorithm> | |
| #include <math.h> | |
| #include <set> |
jwpeterson
/ pyramid13.maple
Created
December 8, 2013 04:50
Compute and verify basis functions and derivatives for 13 node pyramid elements.
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| # "Serendipity" pyramid element functions, as defined in: | |
| # | |
| # G. Bedrosian, "Shape functions and integration formulas for | |
| # three-dimensional finite element analysis", Int. J. Numerical | |
| # Methods Engineering, vol 35, p. 95-108, 1992. | |
| # | |
| # This pyramid has 13 nodes and a "serendipity" quad on the bottom. | |
| # Bedrosian uses the same size reference element as we want to use, | |
| # but a different node numbering. The purpose of this script is to | |
| # make sure his basis functions check out. Bedrosian also uses |