mbsim 4.0.0 MBSim Kernel

flexibility_influence_function.h
1 /* Copyright (C) 2004-2009 MBSim Development Team
2 *
3 * This library is free software; you can redistribute it and/or
4 * modify it under the terms of the GNU Lesser General Public
5 * License as published by the Free Software Foundation; either
6 * version 2.1 of the License, or (at your option) any later version.
7 *
8 * This library is distributed in the hope that it will be useful,
9 * but WITHOUT ANY WARRANTY; without even the implied warranty of
10 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
11 * Lesser General Public License for more details.
12 *
13 * You should have received a copy of the GNU Lesser General Public
14 * License along with this library; if not, write to the Free Software
15 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
16 *
17 * Contact: markus.ms.schneider@gmail.com
18 */
19
20 #ifndef _FLEXIBILITY_INFLUENCE_FUNCTION_H_
21 #define _FLEXIBILITY_INFLUENCE_FUNCTION_H_
22
23 #include "mbsim/functions/kinetics/influence_function.h"
24 #include "mbsim/utils/eps.h"
25
26 namespace MBSim {
27
28 /*
29 * \brief Influence function for flexibility of contour with no influence to other contours (or contour points)
30 */
31 class FlexibilityInfluenceFunction : public InfluenceFunction {
32 public:
33 FlexibilityInfluenceFunction() : flexibility(0) {
34 }
35 FlexibilityInfluenceFunction(const std::string& ContourName_, const double & flexibility_) :
36 flexibility(flexibility_) {
37 }
38 virtual ~FlexibilityInfluenceFunction() {}
39 /* INHERITED INTERFACE OF FUNCTION2 */
40 virtual double operator()(const std::pair<Contour*, ContourFrame*>& firstContourInfo, const std::pair<Contour*, ContourFrame*>& secondContourInfo) {
41 if(nrm2(evalZeta(firstContourInfo)- evalZeta(secondContourInfo)) < macheps)
42 return flexibility;
43 else
44 return 0;
45 }
46 virtual void initializeUsingXML(xercesc::DOMElement *element);
47 /***************************************************/
48
49 protected:
50 double flexibility;
51 };
52
53 }
54
55 #endif
MBSim::FlexibilityInfluenceFunction
Definition: flexibility_influence_function.h:31
MBSim::InfluenceFunction
function describing the influence between the deformations on a body
Definition: influence_function.h:45
MBSim
namespace MBSim
Definition: bilateral_constraint.cc:30