Mercurial > repos > public > sbplib

annotate +time/CdiffTimeDep.m @ 1213:43f1cd11e8e8 feature/poroelastic

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
Add physical normals to AnisotropicCurvilinear
author Martin Almquist <malmquist@stanford.edu>
date Mon, 14 Oct 2019 13:54:50 -0700
parents 151ab2b5a686
children 8894e9c49e40
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
227
151ab2b5a686 Added a timedependent version of Cdiff.
Jonatan Werpers <jonatan@werpers.com>
parents: 142
diff changeset
1 classdef CdiffTimeDep < time.Timestepper
0
48b6fb693025 Initial commit.
Jonatan Werpers <jonatan@werpers.com>
parents:
diff changeset
2 properties
48b6fb693025 Initial commit.
Jonatan Werpers <jonatan@werpers.com>
parents:
diff changeset
3 D
48b6fb693025 Initial commit.
Jonatan Werpers <jonatan@werpers.com>
parents:
diff changeset
4 E
48b6fb693025 Initial commit.
Jonatan Werpers <jonatan@werpers.com>
parents:
diff changeset
5 S
48b6fb693025 Initial commit.
Jonatan Werpers <jonatan@werpers.com>
parents:
diff changeset
6 k
48b6fb693025 Initial commit.
Jonatan Werpers <jonatan@werpers.com>
parents:
diff changeset
7 t
48b6fb693025 Initial commit.
Jonatan Werpers <jonatan@werpers.com>
parents:
diff changeset
8 v
48b6fb693025 Initial commit.
Jonatan Werpers <jonatan@werpers.com>
parents:
diff changeset
9 v_prev
48b6fb693025 Initial commit.
Jonatan Werpers <jonatan@werpers.com>
parents:
diff changeset
10 n
48b6fb693025 Initial commit.
Jonatan Werpers <jonatan@werpers.com>
parents:
diff changeset
11 end
48b6fb693025 Initial commit.
Jonatan Werpers <jonatan@werpers.com>
parents:
diff changeset
12
48b6fb693025 Initial commit.
Jonatan Werpers <jonatan@werpers.com>
parents:
diff changeset
13
48b6fb693025 Initial commit.
Jonatan Werpers <jonatan@werpers.com>
parents:
diff changeset
14 methods
227
151ab2b5a686 Added a timedependent version of Cdiff.
Jonatan Werpers <jonatan@werpers.com>
parents: 142
diff changeset
15 % Solves u_tt = Du + E(t)u_t + S(t)
151ab2b5a686 Added a timedependent version of Cdiff.
Jonatan Werpers <jonatan@werpers.com>
parents: 142
diff changeset
16 % D, E, S can either all be constants or all be function handles,
151ab2b5a686 Added a timedependent version of Cdiff.
Jonatan Werpers <jonatan@werpers.com>
parents: 142
diff changeset
17 % They can also be omitted by setting them equal to the empty matrix.
151ab2b5a686 Added a timedependent version of Cdiff.
Jonatan Werpers <jonatan@werpers.com>
parents: 142
diff changeset
18 % CdiffTimeDep(D, E, S, k, t0, n0, v, v_prev)
151ab2b5a686 Added a timedependent version of Cdiff.
Jonatan Werpers <jonatan@werpers.com>
parents: 142
diff changeset
19 function obj = CdiffTimeDep(D, E, S, k, t0, n0, v, v_prev)
151ab2b5a686 Added a timedependent version of Cdiff.
Jonatan Werpers <jonatan@werpers.com>
parents: 142
diff changeset
20 m = length(v);
151ab2b5a686 Added a timedependent version of Cdiff.
Jonatan Werpers <jonatan@werpers.com>
parents: 142
diff changeset
21 default_arg('E', @(t)sparse(m,m));
151ab2b5a686 Added a timedependent version of Cdiff.
Jonatan Werpers <jonatan@werpers.com>
parents: 142
diff changeset
22 default_arg('S', @(t)sparse(m,1));
0
48b6fb693025 Initial commit.
Jonatan Werpers <jonatan@werpers.com>
parents:
diff changeset
23
48b6fb693025 Initial commit.
Jonatan Werpers <jonatan@werpers.com>
parents:
diff changeset
24 obj.D = D;
48b6fb693025 Initial commit.
Jonatan Werpers <jonatan@werpers.com>
parents:
diff changeset
25 obj.E = E;
48b6fb693025 Initial commit.
Jonatan Werpers <jonatan@werpers.com>
parents:
diff changeset
26 obj.S = S;
227
151ab2b5a686 Added a timedependent version of Cdiff.
Jonatan Werpers <jonatan@werpers.com>
parents: 142
diff changeset
27
0
48b6fb693025 Initial commit.
Jonatan Werpers <jonatan@werpers.com>
parents:
diff changeset
28 obj.k = k;
1
5ae4f23d9130 Added CdiffNonlin timestepper. Probably fixed a bug with Cdiff. Added default arguments to Rk4SecondOrderNonlin.
Jonatan Werpers <jonatan@werpers.com>
parents: 0
diff changeset
29 obj.t = t0;
13
b18d3d201a71 Fixed initialization of step counter in timesteppers.
Jonatan Werpers <jonatan@werpers.com>
parents: 1
diff changeset
30 obj.n = n0;
0
48b6fb693025 Initial commit.
Jonatan Werpers <jonatan@werpers.com>
parents:
diff changeset
31 obj.v = v;
48b6fb693025 Initial commit.
Jonatan Werpers <jonatan@werpers.com>
parents:
diff changeset
32 obj.v_prev = v_prev;
48b6fb693025 Initial commit.
Jonatan Werpers <jonatan@werpers.com>
parents:
diff changeset
33 end
48b6fb693025 Initial commit.
Jonatan Werpers <jonatan@werpers.com>
parents:
diff changeset
34
48b6fb693025 Initial commit.
Jonatan Werpers <jonatan@werpers.com>
parents:
diff changeset
35 function [v,t] = getV(obj)
48b6fb693025 Initial commit.
Jonatan Werpers <jonatan@werpers.com>
parents:
diff changeset
36 v = obj.v;
48b6fb693025 Initial commit.
Jonatan Werpers <jonatan@werpers.com>
parents:
diff changeset
37 t = obj.t;
48b6fb693025 Initial commit.
Jonatan Werpers <jonatan@werpers.com>
parents:
diff changeset
38 end
48b6fb693025 Initial commit.
Jonatan Werpers <jonatan@werpers.com>
parents:
diff changeset
39
48b6fb693025 Initial commit.
Jonatan Werpers <jonatan@werpers.com>
parents:
diff changeset
40 function [vt,t] = getVt(obj)
48b6fb693025 Initial commit.
Jonatan Werpers <jonatan@werpers.com>
parents:
diff changeset
41 vt = (obj.v-obj.v_prev)/obj.k; % Could be improved using u_tt = f(u))
48b6fb693025 Initial commit.
Jonatan Werpers <jonatan@werpers.com>
parents:
diff changeset
42 t = obj.t;
48b6fb693025 Initial commit.
Jonatan Werpers <jonatan@werpers.com>
parents:
diff changeset
43 end
48b6fb693025 Initial commit.
Jonatan Werpers <jonatan@werpers.com>
parents:
diff changeset
44
48b6fb693025 Initial commit.
Jonatan Werpers <jonatan@werpers.com>
parents:
diff changeset
45 function obj = step(obj)
227
151ab2b5a686 Added a timedependent version of Cdiff.
Jonatan Werpers <jonatan@werpers.com>
parents: 142
diff changeset
46 [obj.v, obj.v_prev] = time.cdiff.cdiff(obj.v, obj.v_prev, obj.k, obj.D, obj.E(obj.t), obj.S(obj.t));
0
48b6fb693025 Initial commit.
Jonatan Werpers <jonatan@werpers.com>
parents:
diff changeset
47 obj.t = obj.t + obj.k;
48b6fb693025 Initial commit.
Jonatan Werpers <jonatan@werpers.com>
parents:
diff changeset
48 obj.n = obj.n + 1;
48b6fb693025 Initial commit.
Jonatan Werpers <jonatan@werpers.com>
parents:
diff changeset
49 end
48b6fb693025 Initial commit.
Jonatan Werpers <jonatan@werpers.com>
parents:
diff changeset
50 end
48b6fb693025 Initial commit.
Jonatan Werpers <jonatan@werpers.com>
parents:
diff changeset
51 end