forked from pz4kybsvg/Conception
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
44 lines
1.4 KiB
44 lines
1.4 KiB
2 years ago
|
#include "drake/multibody/fem/calc_lame_parameters.h"
|
||
|
|
|
||
|
|
#include <gtest/gtest.h>
|
||
|
|
|
||
|
|
#include "drake/common/test_utilities/expect_throws_message.h"
|
||
|
|
|
||
|
|
namespace drake {
|
||
|
|
namespace multibody {
|
||
|
|
namespace fem {
|
||
|
|
namespace internal {
|
||
|
|
namespace {
|
||
|
|
|
||
|
|
GTEST_TEST(CalcLameParametersTest, InvalidParameters) {
|
||
|
|
DRAKE_EXPECT_THROWS_MESSAGE(CalcLameParameters<double>(-1.0, 0.25),
|
||
|
|
"Young's modulus must be nonnegative.");
|
||
|
|
|
||
|
|
DRAKE_EXPECT_THROWS_MESSAGE(CalcLameParameters<double>(100.0, 0.5),
|
||
|
|
"Poisson's ratio must be in .*");
|
||
|
|
|
||
|
|
DRAKE_EXPECT_THROWS_MESSAGE(CalcLameParameters<double>(100.0, 0.6),
|
||
|
|
"Poisson's ratio must be in .*");
|
||
|
|
|
||
|
|
DRAKE_EXPECT_THROWS_MESSAGE(CalcLameParameters<double>(100.0, -1.0),
|
||
|
|
"Poisson's ratio must be in .*");
|
||
|
|
|
||
|
|
DRAKE_EXPECT_THROWS_MESSAGE(CalcLameParameters<double>(100.0, -1.1),
|
||
|
|
"Poisson's ratio must be in .*");
|
||
|
|
}
|
||
|
|
|
||
|
|
/* Verify that the calculated Lame parameters match pen and paper calculation.
|
||
|
|
*/
|
||
|
|
GTEST_TEST(CalcLameParametersTest, AnalyticResults) {
|
||
|
|
const LameParameters<double> lame_params =
|
||
|
|
CalcLameParameters<double>(280, 0.4);
|
||
|
|
EXPECT_DOUBLE_EQ(lame_params.mu, 100.0);
|
||
|
|
EXPECT_DOUBLE_EQ(lame_params.lambda, 400.0);
|
||
|
|
}
|
||
|
|
|
||
|
|
} // namespace
|
||
|
|
} // namespace internal
|
||
|
|
} // namespace fem
|
||
|
|
} // namespace multibody
|
||
|
|
} // namespace drake
|