MAST
polar_coordinate.cpp
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1 /*
2  * MAST: Multidisciplinary-design Adaptation and Sensitivity Toolkit
3  * Copyright (C) 2013-2019 Manav Bhatia
4  *
5  * This library is free software; you can redistribute it and/or
6  * modify it under the terms of the GNU Lesser General Public
7  * License as published by the Free Software Foundation; either
8  * version 2.1 of the License, or (at your option) any later version.
9  *
10  * This library is distributed in the hope that it will be useful,
11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13  * Lesser General Public License for more details.
14  *
15  * You should have received a copy of the GNU Lesser General Public
16  * License along with this library; if not, write to the Free Software
17  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
18  */
19 
20 // MAST includes
22 
23 
26 MAST::CoordinateBase(nm),
27 _theta(theta) {
28 
29  _functions.insert(&theta);
30 }
31 
32 
34 
35 
36 
37 void
38 MAST::PolarCoordinate::operator() (const libMesh::Point& p,
39  const Real t,
40  RealMatrixX& v) const {
41  v.setZero(3,3);
42  Real theta;
43  _theta(p,t,theta);
44  v(0,0) = cos(theta);
45  v(1,0) = sin(theta);
46 
47  v(0,1) = -sin(theta);
48  v(1,1) = cos(theta);
49 
50  v(2,2) = 1.;
51 }
52 
53 
54 
55 void
57  const libMesh::Point& p,
58  const Real t,
59  RealMatrixX& v) const {
60  v.setZero(3,3);
61  Real theta, dtheta;
62  _theta(p,t,theta);
63  _theta.derivative(f,p,t,dtheta);
64 
65  v(0,0) = -sin(theta)*dtheta;
66  v(1,0) = cos(theta)*dtheta;
67 
68  v(0,1) = -cos(theta)*dtheta;
69  v(1,1) = -sin(theta)*dtheta;
70 }
virtual void operator()(const libMesh::Point &p, const Real t, RealMatrixX &v) const
calculates the value of the function at the specified point, p, and time, t, and returns it in v...
std::set< const MAST::FunctionBase * > _functions
set of functions that this function depends on
libMesh::Real Real
MAST::FieldFunction< Real > & _theta
virtual void derivative(const MAST::FunctionBase &f, ValType &v) const
calculates the value of the function derivative and returns it in v.
Matrix< Real, Dynamic, Dynamic > RealMatrixX
PolarCoordinate(const std::string &nm, MAST::FieldFunction< Real > &theta)
virtual void derivative(const MAST::FunctionBase &f, const libMesh::Point &p, const Real t, RealMatrixX &v) const
calculates the value of the function at the specified point, p, and time, t, and returns it in v...
Provides the transformation matrix T to transform vector from the orientation provided in this matrix...