Line data Source code
1 : // Copyright 2024, UChicago Argonne, LLC
2 : // All Rights Reserved
3 : // Software Name: NEML2 -- the New Engineering material Model Library, version 2
4 : // By: Argonne National Laboratory
5 : // OPEN SOURCE LICENSE (MIT)
6 : //
7 : // Permission is hereby granted, free of charge, to any person obtaining a copy
8 : // of this software and associated documentation files (the "Software"), to deal
9 : // in the Software without restriction, including without limitation the rights
10 : // to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
11 : // copies of the Software, and to permit persons to whom the Software is
12 : // furnished to do so, subject to the following conditions:
13 : //
14 : // The above copyright notice and this permission notice shall be included in
15 : // all copies or substantial portions of the Software.
16 : //
17 : // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
18 : // IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
19 : // FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
20 : // AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
21 : // LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
22 : // OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
23 : // THE SOFTWARE.
24 :
25 : #include "neml2/user_tensors/FillRot.h"
26 : #include "neml2/misc/assertions.h"
27 : #include "neml2/tensors/functions/sqrt.h"
28 :
29 : namespace neml2
30 : {
31 : register_NEML2_object(FillRot);
32 :
33 : OptionSet
34 2 : FillRot::expected_options()
35 : {
36 2 : OptionSet options = UserTensorBase::expected_options();
37 2 : options.doc() = "Construct a Rot from a vector of Scalars.";
38 :
39 4 : options.set<std::vector<TensorName<Scalar>>>("values");
40 4 : options.set("values").doc() = "Scalars used to fill the Rot";
41 :
42 4 : options.set<std::string>("method") = "modified";
43 2 : options.set("method").doc() = "Fill method, options are 'modified' and 'standard'.";
44 :
45 2 : return options;
46 0 : }
47 :
48 17 : FillRot::FillRot(const OptionSet & options)
49 : : UserTensorBase(options),
50 34 : Rot(fill(options.get<std::vector<TensorName<Scalar>>>("values"),
51 68 : options.get<std::string>("method")))
52 :
53 : {
54 17 : }
55 :
56 : Rot
57 17 : FillRot::fill(const std::vector<TensorName<Scalar>> & values, const std::string & method) const
58 : {
59 17 : auto * f = factory();
60 17 : neml_assert(f, "Internal error: factory != nullptr");
61 :
62 17 : if (method == "modified")
63 : {
64 16 : neml_assert(values.size() == 3,
65 : "Number of values must be 3, but ",
66 16 : values.size(),
67 : " values are provided.");
68 16 : return Rot::fill(values[0].resolve(f), values[1].resolve(f), values[2].resolve(f));
69 : }
70 :
71 1 : if (method == "standard")
72 : {
73 1 : neml_assert(values.size() == 3,
74 : "Number of values must be 3, but ",
75 1 : values.size(),
76 : " values are provided.");
77 2 : auto ns = values[0].resolve(f) * values[0].resolve(f) +
78 2 : values[1].resolve(f) * values[1].resolve(f) +
79 3 : values[2].resolve(f) * values[2].resolve(f);
80 1 : auto v = neml2::sqrt(ns + 1.0) + 1.0;
81 1 : return Rot::fill(values[0].resolve(f) / v, values[1].resolve(f) / v, values[2].resolve(f) / v);
82 1 : }
83 :
84 0 : throw NEMLException("Unknown Rot fill type " + method);
85 : }
86 : } // namespace neml2
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