mbsim 4.0.0 MBSim Kernel

linear_elastic_function.h
1 /* Copyright (C) 2004-2016 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: martin.o.foerg@gmail.com
18 */
19
20 #ifndef _LINEAR_ELASTIC_FUNCTION_H_
21 #define _LINEAR_ELASTIC_FUNCTION_H_
22
23 #include "mbsim/functions/function.h"
24
25 namespace MBSim {
26
31 class LinearElasticFunction : public Function<fmatvec::VecV(fmatvec::VecV,fmatvec::VecV)> {
32 public:
36 LinearElasticFunction() = default;
37
43 LinearElasticFunction(const fmatvec::SymMatV &K_, const fmatvec::SymMatV &D_) : K(K_), D(D_) { }
44
45 std::pair<int, int> getRetSize() const override { return std::make_pair(K.size(),1); }
46
47 void init(InitStage stage, const InitConfigSet &config) override;
48
49 fmatvec::VecV operator()(const fmatvec::VecV& q, const fmatvec::VecV& u) override { return K*q + D*u; }
50
51 void setStiffnessMatrix(const fmatvec::SymMatV &K_) { K <<= K_; }
52 void setDampingMatrix(const fmatvec::SymMatV &D_) { D <<= D_; }
53
54 void initializeUsingXML(xercesc::DOMElement *element) override;
55
56 protected:
57 fmatvec::SymMatV K, D;
58 };
59
60 }
61
62 #endif
MBSim::LinearElasticFunction
tbd
Definition: linear_elastic_function.h:31
MBSim::LinearElasticFunction::LinearElasticFunction
LinearElasticFunction()=default
standard constructor
MBSim::LinearElasticFunction::init
void init(InitStage stage, const InitConfigSet &config) override
plots time series header
Definition: linear_elastic_function.cc:32
MBSim::Element::InitStage
InitStage
The stages of the initialization.
Definition: element.h:62
MBSim::Function
Definition: contact_kinematics.h:32
MBSim::LinearElasticFunction::LinearElasticFunction
LinearElasticFunction(const fmatvec::SymMatV &K_, const fmatvec::SymMatV &D_)
constructor
Definition: linear_elastic_function.h:43
MBSim
namespace MBSim
Definition: bilateral_constraint.cc:30