int InterpolationFixedAxis::prepare_node(CalcNode& cur_node, RheologyMatrixPtr rheologyMatrix,
float time_step, int stage, Mesh* mesh,
float* dksi, bool* inner, vector<CalcNode>& previous_nodes,
float* outer_normal, bool debug)
{
assert_ge(stage, 0);
assert_le(stage, 2);
if (cur_node.isBorder())
mesh->findBorderNodeNormal(cur_node, &outer_normal[0], &outer_normal[1], &outer_normal[2], false);
LOG_TRACE("Preparing elastic matrix");
// Prepare matrixes A, Lambda, Omega, Omega^(-1)
switch (stage) {
case 0: rheologyMatrix->decomposeX(cur_node);
break;
case 1: rheologyMatrix->decomposeY(cur_node);
break;
case 2: rheologyMatrix->decomposeZ(cur_node);
break;
}
LOG_TRACE("Preparing elastic matrix done");
LOG_TRACE("Elastic matrix eigen values:\n" << rheologyMatrix->getL());
for (int i = 0; i < 9; i++)
dksi[i] = -rheologyMatrix->getL(i, i) * time_step;
return find_nodes_on_previous_time_layer(cur_node, stage, mesh, dksi, inner, previous_nodes, outer_normal, debug);
}
void ConsumingBorderCalculator::doCalc(CalcNode& cur_node, CalcNode& new_node, RheologyMatrixPtr matrix,
vector<CalcNode>& previousNodes, bool inner[],
float outer_normal[], float scale)
{
assert_eq(previousNodes.size(), 9);
int outer_count = 3;
// Tmp value for GSL solver
int s;
// Here we will store (omega = Matrix_OMEGA * u)
float omega[9];
for(int i = 0; i < 9; i++)
{
// If omega is 'inner' one
if(inner[i])
{
// Calculate omega value
omega[i] = 0;
for(int j = 0; j < 9; j++)
{
omega[i] += matrix->getU(i,j) * previousNodes[i].values[j];
}
// Load appropriate values into GSL containers
gsl_vector_set(om_gsl, i, omega[i]);
for(int j = 0; j < 9; j++)
gsl_matrix_set(U_gsl, i, j, matrix->getU(i,j));
}
// If omega is 'outer' one
else
{
// Load appropriate values into GSL containers
gsl_vector_set(om_gsl, i, 0);
for(int j = 0; j < 9; j++)
gsl_matrix_set(U_gsl, i, j, matrix->getU(i,j));
}
}
LOG_TRACE("F*****g FBC: outer_count = " << outer_count << "\nMatrix:\n");
for(int i = 0; i < 9; i++) {
for(int j = 0; j < 9; j++) {
LOG_TRACE(gsl_matrix_get(U_gsl, i, j) << "\t");
}
LOG_TRACE("\n");
}
// Solve linear equations using GSL tools
gsl_linalg_LU_decomp (U_gsl, p_gsl, &s);
gsl_linalg_LU_solve (U_gsl, p_gsl, om_gsl, x_gsl);
for(int j = 0; j < 9; j++)
new_node.values[j] = gsl_vector_get(x_gsl, j);
};
void AdhesionContactCalculator::doCalc(CalcNode& cur_node, CalcNode& new_node, CalcNode& virt_node,
RheologyMatrixPtr matrix, vector<CalcNode>& previousNodes, bool inner[],
RheologyMatrixPtr virt_matrix, vector<CalcNode>& virtPreviousNodes, bool virt_inner[],
float outer_normal[], float scale)
{
assert_eq(previousNodes.size(), 9);
assert_eq(virtPreviousNodes.size(), 9);
// Here we will store (omega = Matrix_OMEGA * u)
float omega[9];
float virt_omega[9];
int posInEq18 = 0;
int curNN = 0;
// For all omegas of real node
for(int i = 0; i < 9; i++)
{
// If omega is 'inner'
if(inner[i])
{
// omega on new time layer is equal to omega on previous time layer along characteristic
omega[i] = 0;
for( int j = 0; j < 9; j++ ) {
omega[i] += matrix->getU(i,j) * previousNodes[i].values[j];
}
// then we must set the corresponding values of the 18x18 matrix
gsl_vector_set( om_gsl, 6 * curNN + posInEq18, omega[i] );
for( int j = 0; j < 9; j++ ) {
gsl_matrix_set( U_gsl, 6 * curNN + posInEq18, j, matrix->getU( i, j ) );
}
for( int j = 9; j < 18; j++ ) {
gsl_matrix_set( U_gsl, 6 * curNN + posInEq18, j, 0 );
}
posInEq18++;
}
}
posInEq18 = 0;
curNN = 1;
// For all omegas of virtual node
for(int i = 0; i < 9; i++)
{
// If omega is 'inner'
if(virt_inner[i])
{
// omega on new time layer is equal to omega on previous time layer along characteristic
virt_omega[i] = 0;
for( int j = 0; j < 9; j++ ) {
virt_omega[i] += virt_matrix->getU(i,j) * virtPreviousNodes[i].values[j];
}
// then we must set the corresponding values of the 18x18 matrix
gsl_vector_set( om_gsl, 6 * curNN + posInEq18, virt_omega[i] );
for( int j = 0; j < 9; j++ ) {
gsl_matrix_set( U_gsl, 6 * curNN + posInEq18, j, 0 );
}
for( int j = 9; j < 18; j++ ) {
gsl_matrix_set( U_gsl, 6 * curNN + posInEq18, j, virt_matrix->getU( i, j - 9 ) );
}
posInEq18++;
}
}
// Clear the rest 6 rows of the matrix
for( int strN = 12; strN < 18; strN++ ) {
for( int colN = 0; colN < 18; colN++ ) {
gsl_matrix_set( U_gsl, strN, colN, 0 );
}
}
for( int strN = 12; strN < 18; strN++ ) {
gsl_vector_set( om_gsl, strN, 0 );
}
// Equality of velocities
gsl_matrix_set( U_gsl, 12, 0, 1 );
gsl_matrix_set( U_gsl, 12, 9, -1 );
gsl_matrix_set( U_gsl, 13, 1, 1 );
gsl_matrix_set( U_gsl, 13, 10, -1 );
gsl_matrix_set( U_gsl, 14, 2, 1 );
gsl_matrix_set( U_gsl, 14, 11, -1 );
// Equality of normal and tangential stress
// We use outer normal to find total stress vector (sigma * n) - sum of normal and shear - and tell it is equal
// TODO - is it ok?
// TODO - never-ending questions - is everything ok with (x-y-z) and (ksi-eta-dzeta) basises?
// TODO FIXME - it works now because exactly the first axis is the only one where contact is possible
// and it coincides with outer normal
gsl_matrix_set(U_gsl, 15, 3, outer_normal[0]);
gsl_matrix_set(U_gsl, 15, 4, outer_normal[1]);
gsl_matrix_set(U_gsl, 15, 5, outer_normal[2]);
gsl_matrix_set(U_gsl, 15, 12, -outer_normal[0]);
gsl_matrix_set(U_gsl, 15, 13, -outer_normal[1]);
gsl_matrix_set(U_gsl, 15, 14, -outer_normal[2]);
gsl_matrix_set(U_gsl, 16, 4, outer_normal[0]);
gsl_matrix_set(U_gsl, 16, 6, outer_normal[1]);
gsl_matrix_set(U_gsl, 16, 7, outer_normal[2]);
gsl_matrix_set(U_gsl, 16, 13, -outer_normal[0]);
gsl_matrix_set(U_gsl, 16, 15, -outer_normal[1]);
gsl_matrix_set(U_gsl, 16, 16, -outer_normal[2]);
gsl_matrix_set(U_gsl, 17, 5, outer_normal[0]);
gsl_matrix_set(U_gsl, 17, 7, outer_normal[1]);
gsl_matrix_set(U_gsl, 17, 8, outer_normal[2]);
gsl_matrix_set(U_gsl, 17, 14, -outer_normal[0]);
gsl_matrix_set(U_gsl, 17, 16, -outer_normal[1]);
gsl_matrix_set(U_gsl, 17, 17, -outer_normal[2]);
// Tmp value for GSL solver
int s;
gsl_linalg_LU_decomp (U_gsl, p_gsl, &s);
gsl_linalg_LU_solve (U_gsl, p_gsl, om_gsl, x_gsl);
// Just get first 9 values (real node) and dump the rest 9 (virt node)
for(int j = 0; j < 9; j++)
new_node.values[j] = gsl_vector_get(x_gsl, j);
};
void SlidingContactCalculator::doCalc(CalcNode& cur_node, CalcNode& new_node, CalcNode& virt_node,
RheologyMatrixPtr matrix, vector<CalcNode>& previousNodes, bool inner[],
RheologyMatrixPtr virt_matrix, vector<CalcNode>& virtPreviousNodes, bool virt_inner[],
float outer_normal[], float scale)
{
assert_eq(previousNodes.size(), 9);
assert_eq(virtPreviousNodes.size(), 9);
if (isFreeBorder(cur_node, virt_node, outer_normal))
{
fbc->doCalc(cur_node, new_node, matrix, previousNodes, inner, outer_normal, scale);
return;
}
// Here we will store (omega = Matrix_OMEGA * u)
float omega[9];
float virt_omega[9];
int posInEq18 = 0;
int curNN = 0;
// For all omegas of real node
for(int i = 0; i < 9; i++)
{
LOG_TRACE("PrNode: " << previousNodes[i]);
// If omega is 'inner'
if(inner[i])
{
LOG_TRACE("INNER");
// omega on new time layer is equal to omega on previous time layer along characteristic
omega[i] = 0;
for( int j = 0; j < 9; j++ ) {
omega[i] += matrix->getU(i,j) * previousNodes[i].values[j];
}
// then we must set the corresponding values of the 18x18 matrix
gsl_vector_set( om_gsl, 6 * curNN + posInEq18, omega[i] );
for( int j = 0; j < 9; j++ ) {
gsl_matrix_set( U_gsl, 6 * curNN + posInEq18, j, matrix->getU( i, j ) );
}
for( int j = 9; j < 18; j++ ) {
gsl_matrix_set( U_gsl, 6 * curNN + posInEq18, j, 0 );
}
posInEq18++;
}
}
posInEq18 = 0;
curNN = 1;
// For all omegas of virtual node
for(int i = 0; i < 9; i++)
{
LOG_TRACE("VirtPrNode: " << virtPreviousNodes[i]);
// If omega is 'inner'
if(virt_inner[i])
{
LOG_TRACE("INNER");
// omega on new time layer is equal to omega on previous time layer along characteristic
virt_omega[i] = 0;
for( int j = 0; j < 9; j++ ) {
virt_omega[i] += virt_matrix->getU(i,j) * virtPreviousNodes[i].values[j];
}
// then we must set the corresponding values of the 18x18 matrix
gsl_vector_set( om_gsl, 6 * curNN + posInEq18, virt_omega[i] );
for( int j = 0; j < 9; j++ ) {
gsl_matrix_set( U_gsl, 6 * curNN + posInEq18, j, 0 );
}
for( int j = 9; j < 18; j++ ) {
gsl_matrix_set( U_gsl, 6 * curNN + posInEq18, j, virt_matrix->getU( i, j - 9 ) );
}
posInEq18++;
}
}
// Clear the rest 6 rows of the matrix
for( int strN = 12; strN < 18; strN++ ) {
for( int colN = 0; colN < 18; colN++ ) {
gsl_matrix_set( U_gsl, strN, colN, 0 );
}
}
for( int strN = 12; strN < 18; strN++ ) {
gsl_vector_set( om_gsl, strN, 0 );
}
float local_n[3][3];
local_n[0][0] = outer_normal[0];
local_n[0][1] = outer_normal[1];
local_n[0][2] = outer_normal[2];
createLocalBasis(local_n[0], local_n[1], local_n[2]);
// Normal velocities are equal
gsl_matrix_set( U_gsl, 12, 0, local_n[0][0]);
gsl_matrix_set( U_gsl, 12, 1, local_n[0][1]);
gsl_matrix_set( U_gsl, 12, 2, local_n[0][2]);
gsl_matrix_set( U_gsl, 12, 9, - local_n[0][0]);
gsl_matrix_set( U_gsl, 12, 10, - local_n[0][1]);
gsl_matrix_set( U_gsl, 12, 11, - local_n[0][2]);
// We use outer normal to find total stress vector (sigma * n) - sum of normal and shear - and tell it is equal
// TODO - is it ok?
// TODO - never-ending questions - is everything ok with (x-y-z) and (ksi-eta-dzeta) basises?
// TODO FIXME - it works now because exactly the first axis is the only one where contact is possible
// and it coincides with outer normal
// Normal stresses are equal
gsl_matrix_set(U_gsl, 13, 3, local_n[0][0] * local_n[0][0]);
gsl_matrix_set(U_gsl, 13, 4, 2 * local_n[0][1] * local_n[0][0]);
gsl_matrix_set(U_gsl, 13, 5, 2 * local_n[0][2] * local_n[0][0]);
gsl_matrix_set(U_gsl, 13, 6, local_n[0][1] * local_n[0][1]);
gsl_matrix_set(U_gsl, 13, 7, 2 * local_n[0][2] * local_n[0][1]);
gsl_matrix_set(U_gsl, 13, 8, local_n[0][2] * local_n[0][2]);
gsl_matrix_set(U_gsl, 13, 12, - local_n[0][0] * local_n[0][0]);
gsl_matrix_set(U_gsl, 13, 13, - 2 * local_n[0][1] * local_n[0][0]);
gsl_matrix_set(U_gsl, 13, 14, - 2 * local_n[0][2] * local_n[0][0]);
gsl_matrix_set(U_gsl, 13, 15, - local_n[0][1] * local_n[0][1]);
gsl_matrix_set(U_gsl, 13, 16, - 2 * local_n[0][2] * local_n[0][1]);
gsl_matrix_set(U_gsl, 13, 17, - local_n[0][2] * local_n[0][2]);
// Tangential stresses are zero
gsl_matrix_set(U_gsl, 14, 3, - (local_n[0][0] * local_n[1][0]) );
gsl_matrix_set(U_gsl, 14, 4, - (local_n[0][1] * local_n[1][0] + local_n[0][0] * local_n[1][1]) );
gsl_matrix_set(U_gsl, 14, 5, - (local_n[0][2] * local_n[1][0] + local_n[0][0] * local_n[1][2]) );
gsl_matrix_set(U_gsl, 14, 6, - (local_n[0][1] * local_n[1][1]) );
gsl_matrix_set(U_gsl, 14, 7, - (local_n[0][2] * local_n[1][1] + local_n[0][1] * local_n[1][2]) );
gsl_matrix_set(U_gsl, 14, 8, - (local_n[0][2] * local_n[1][2]) );
gsl_matrix_set(U_gsl, 15, 3, - (local_n[0][0] * local_n[2][0]) );
gsl_matrix_set(U_gsl, 15, 4, - (local_n[0][1] * local_n[2][0] + local_n[0][0] * local_n[2][1]) );
gsl_matrix_set(U_gsl, 15, 5, - (local_n[0][2] * local_n[2][0] + local_n[0][0] * local_n[2][2]) );
gsl_matrix_set(U_gsl, 15, 6, - (local_n[0][1] * local_n[2][1]) );
gsl_matrix_set(U_gsl, 15, 7, - (local_n[0][2] * local_n[2][1] + local_n[0][1] * local_n[2][2]) );
gsl_matrix_set(U_gsl, 15, 8, - (local_n[0][2] * local_n[2][2]) );
gsl_matrix_set(U_gsl, 16, 12, - (local_n[0][0] * local_n[1][0]) );
gsl_matrix_set(U_gsl, 16, 13, - (local_n[0][1] * local_n[1][0] + local_n[0][0] * local_n[1][1]) );
gsl_matrix_set(U_gsl, 16, 14, - (local_n[0][2] * local_n[1][0] + local_n[0][0] * local_n[1][2]) );
gsl_matrix_set(U_gsl, 16, 15, - (local_n[0][1] * local_n[1][1]) );
gsl_matrix_set(U_gsl, 16, 16, - (local_n[0][2] * local_n[1][1] + local_n[0][1] * local_n[1][2]) );
gsl_matrix_set(U_gsl, 16, 17, - (local_n[0][2] * local_n[1][2]) );
gsl_matrix_set(U_gsl, 17, 12, - (local_n[0][0] * local_n[2][0]) );
gsl_matrix_set(U_gsl, 17, 13, - (local_n[0][1] * local_n[2][0] + local_n[0][0] * local_n[2][1]) );
gsl_matrix_set(U_gsl, 17, 14, - (local_n[0][2] * local_n[2][0] + local_n[0][0] * local_n[2][2]) );
gsl_matrix_set(U_gsl, 17, 15, - (local_n[0][1] * local_n[2][1]) );
gsl_matrix_set(U_gsl, 17, 16, - (local_n[0][2] * local_n[2][1] + local_n[0][1] * local_n[2][2]) );
gsl_matrix_set(U_gsl, 17, 17, - (local_n[0][2] * local_n[2][2]) );
// Tmp value for GSL solver
int s;
gsl_linalg_LU_decomp (U_gsl, p_gsl, &s);
try
{
gsl_linalg_LU_solve (U_gsl, p_gsl, om_gsl, x_gsl);
}
catch (Exception& e)
{
cur_node.setContactCalculationError();
for(int i = 0; i < 18; i++) {
std::stringstream matStr;
for(int j = 0; j < 18; j++)
matStr << gsl_matrix_get(U_gsl, i, j) << " ";
LOG_TRACE(matStr.str());
}
LOG_ERROR("Bad node: " << cur_node);
LOG_ERROR("Normal: " << outer_normal[0] << " " << outer_normal[1] << " " << outer_normal[2]);
LOG_ERROR("Delta: " << virt_node.coords[0] - cur_node.coords[0]
<< " " << virt_node.coords[1] - cur_node.coords[1]
<< " " << virt_node.coords[2] - cur_node.coords[2]);
throw;
}
// Just get first 9 values (real node) and dump the rest 9 (virt node)
for(int j = 0; j < 9; j++)
new_node.values[j] = gsl_vector_get(x_gsl, j);
CalcNode new_virt_node;
for(int j = 0; j < 9; j++)
new_virt_node.values[j] = gsl_vector_get(x_gsl, j + 9);
if (isFreeBorder(new_node, new_virt_node, outer_normal))
{
fbc->doCalc(cur_node, new_node, matrix, previousNodes, inner, outer_normal, scale);
return;
}
};
void FreeBorderCalculator::doCalc(CalcNode& cur_node, CalcNode& new_node, RheologyMatrixPtr matrix,
vector<CalcNode>& previousNodes, bool inner[],
float outer_normal[], float scale)
{
assert_eq(previousNodes.size(), 9);
int outer_count = 3;
// Tmp value for GSL solver
int s;
// Here we will store (omega = Matrix_OMEGA * u)
float omega[9];
for(int i = 0; i < 9; i++)
{
// If omega is 'inner' one
if(inner[i])
{
// Calculate omega value
omega[i] = 0;
for(int j = 0; j < 9; j++)
{
omega[i] += matrix->getU(i,j) * previousNodes[i].values[j];
}
// Load appropriate values into GSL containers
gsl_vector_set(om_gsl, i, omega[i]);
for(int j = 0; j < 9; j++)
gsl_matrix_set(U_gsl, i, j, matrix->getU(i,j));
}
// If omega is 'outer' one
else
{
// omega (as right-hand part of OLE) is zero - it is free border, no external stress
gsl_vector_set(om_gsl, i, 0);
// corresponding string in matrix is zero ...
for(int j = 0; j < 9; j++)
gsl_matrix_set(U_gsl, i, j, 0);
// ... except normal and tangential stress
// We use outer normal to find total stress vector (sigma * n) - sum of normal and shear - and tell it is zero
// TODO - never-ending questions - is everything ok with (x-y-z) and (ksi-eta-dzeta) basises?
if ( outer_count == 3 ) {
gsl_matrix_set(U_gsl, i, 3, outer_normal[0]);
gsl_matrix_set(U_gsl, i, 4, outer_normal[1]);
gsl_matrix_set(U_gsl, i, 5, outer_normal[2]);
outer_count--;
} else if ( outer_count == 2 ) {
gsl_matrix_set(U_gsl, i, 4, outer_normal[0]);
gsl_matrix_set(U_gsl, i, 6, outer_normal[1]);
gsl_matrix_set(U_gsl, i, 7, outer_normal[2]);
outer_count--;
} else if ( outer_count == 1 ) {
gsl_matrix_set(U_gsl, i, 5, outer_normal[0]);
gsl_matrix_set(U_gsl, i, 7, outer_normal[1]);
gsl_matrix_set(U_gsl, i, 8, outer_normal[2]);
outer_count--;
}
}
}
// Solve linear equations using GSL tools
gsl_linalg_LU_decomp (U_gsl, p_gsl, &s);
gsl_linalg_LU_solve (U_gsl, p_gsl, om_gsl, x_gsl);
for(int j = 0; j < 9; j++)
new_node.values[j] = gsl_vector_get(x_gsl, j);
};
void InterpolationFixedAxis::__doNextPartStep(CalcNode& cur_node, CalcNode& new_node, float time_step, int stage, Mesh* mesh)
{
assert_ge(stage, 0);
assert_le(stage, 2);
auto& engine = Engine::getInstance();
LOG_TRACE("Start node prepare for node " << cur_node.number);
LOG_TRACE("Node: " << cur_node);
// Variables used in calculations internally
// Delta x on previous time layer for all the omegas
// omega_new_time_layer(ksi) = omega_old_time_layer(ksi+dksi)
float dksi[9];
// If the corresponding point on previous time layer is inner or not
bool inner[9];
// We will store interpolated nodes on previous time layer here
// We know that we need five nodes for each direction (corresponding to Lambdas -C1, -C2, 0, C2, C1)
// TODO - We can deal with (lambda == 0) separately
vector<CalcNode> previous_nodes;
previous_nodes.resize(9);
// Outer normal at current point
float outer_normal[3];
// Number of outer characteristics
int outer_count = prepare_node(cur_node, cur_node.getRheologyMatrix(),
time_step, stage, mesh,
dksi, inner, previous_nodes,
outer_normal);
LOG_TRACE("Done node prepare");
// If all the omegas are 'inner'
// omega = Matrix_OMEGA * u
// new_u = Matrix_OMEGA^(-1) * omega
// TODO - to think - if all omegas are 'inner' can we skip matrix calculations and just use new_u = interpolated_u ?
if (cur_node.isInner()) {
LOG_TRACE("Start inner node calc");
if (outer_count == 0)
// FIXME - hardcoded name
engine.getVolumeCalculator("SimpleVolumeCalculator")->doCalc(
new_node, cur_node.getRheologyMatrix(), previous_nodes);
else
THROW_BAD_MESH("Outer characteristic for internal node detected");
LOG_TRACE("Done inner node calc");
}
if (cur_node.isBorder())
{
LOG_TRACE("Start border node calc");
// FIXME_ASAP - do smth with this!
// It is not stable now. See ugly hack below.
// Think about: (a) cube, (b) rotated cube, (c) sphere.
float val = (outer_normal[stage] >= 0 ? 1.0 : -1.0);
outer_normal[0] = outer_normal[1] = outer_normal[2] = 0;
outer_normal[stage] = val;
// If there is no 'outer' omega - it is ok, border node can be inner for some directions
if (outer_count == 0)
{
// FIXME - hardcoded name
engine.getVolumeCalculator("SimpleVolumeCalculator")->doCalc(
new_node, cur_node.getRheologyMatrix(), previous_nodes);
}
// If there are 3 'outer' omegas - we should use border or contact algorithm
else if (outer_count == 3)
{
// Border
if (!cur_node.isInContact() || cur_node.contactDirection != stage) {
// FIXME
int borderCondId = cur_node.getBorderConditionId();
LOG_TRACE("Using calculator: " << engine.getBorderCondition(borderCondId)->calc->getType());
engine.getBorderCondition(borderCondId)->doCalc(Engine::getInstance().getCurrentTime(), cur_node,
new_node, cur_node.getRheologyMatrix(), previous_nodes, inner, outer_normal);
}
// Contact
else
{
CalcNode& virt_node = engine.getVirtNode(cur_node.contactNodeNum);
// FIXME - WA
Mesh* virtMesh = (Mesh*) engine.getBody(virt_node.contactNodeNum)->getMeshes();
LOG_TRACE("We are going to calc contact. Target virt node: "
<< cur_node.contactNodeNum << " Target mesh: " << virt_node.contactNodeNum);
LOG_TRACE("Mesh: " << mesh->getId()
<< " Virt mesh: " << virtMesh->getId()
<< "\nReal node: " << cur_node << "\nVirt node: " << virt_node);
// Mark virt node as having contact state
// TODO FIXME - most probably CollisionDetector should do it
// But we should check it anycase
virt_node.setInContact(true);
//virt_node.contactNodeNum = cur_node.contactNodeNum;
// Variables used in calculations internally
// Delta x on previous time layer for all the omegas
// omega_new_time_layer(ksi) = omega_old_time_layer(ksi+dksi)
float virt_dksi[9];
// If the corresponding point on previous time layer is inner or not
bool virt_inner[9];
// We will store interpolated nodes on previous time layer here
// We know that we need five nodes for each direction (corresponding to Lambdas -C1, -C2, 0, C2, C1)
// TODO - We can deal with (lambda == 0) separately
vector<CalcNode> virt_previous_nodes;
virt_previous_nodes.resize(9);
// Outer normal at current point
float virt_outer_normal[3];
// Number of outer characteristics
int virt_outer_count = prepare_node(virt_node, virt_node.getRheologyMatrix(),
time_step, stage, virtMesh,
virt_dksi, virt_inner, virt_previous_nodes,
virt_outer_normal);
// FIXME_ASAP: WA
switch (stage) {
case 0: virt_node.getRheologyMatrix()->decomposeX(virt_node);
break;
case 1: virt_node.getRheologyMatrix()->decomposeY(virt_node);
break;
case 2: virt_node.getRheologyMatrix()->decomposeZ(virt_node);
break;
}
// WA for sharp edges
if(virt_outer_count == 0) {
RheologyMatrixPtr curM = cur_node.getRheologyMatrix();
RheologyMatrixPtr virtM = virt_node.getRheologyMatrix();
int sign = 0;
for(int i = 0; i < 9; i++) {
if(!inner[i])
sign = (curM->getL(i,i) > 0 ? 1 : -1);
}
for(int i = 0; i < 9; i++) {
if( virtM->getL(i,i) * sign < 0 )
virt_inner[i] = false;
}
virt_outer_count = 3;
}
// TODO - merge this condition with the next ones
if (virt_outer_count != 3) {
LOG_DEBUG("EXTENDED DEBUG INFO BEGINS");
prepare_node(virt_node, virt_node.getRheologyMatrix(), time_step, stage, virtMesh,
virt_dksi, virt_inner, virt_previous_nodes, virt_outer_normal, true);
LOG_DEBUG("EXTENDED DEBUG INFO ENDS");
LOG_DEBUG("Calc contact failed. Mesh: " << mesh->getId()
<< " Virt mesh: " << virtMesh->getId()
<< "\nReal node: " << cur_node << "\nVirt node: " << virt_node);
LOG_DEBUG("There are " << virt_outer_count << " 'outer' characteristics for virt node.");
for (int z = 0; z < 9; z++) {
LOG_DEBUG("Dksi[" << z << "]: " << virt_dksi[z]);
LOG_DEBUG("Inner[" << z << "]: " << virt_inner[z]);
LOG_DEBUG("PrNodes[" << z << "]: " << virt_previous_nodes[z]);
}
THROW_BAD_METHOD("Illegal number of outer characteristics");
}
// // Check that 'paired node' is in the direction of 'outer' characteristics
// // If it is not the case - we have strange situation when
// // we replace 'outer' points data with data of 'paired node' from different axis direction.
//
// // For all characteristics of real node and virt node
// /*for(int i = 0; i < 9; i++)
// {
// float v_x_outer[3];
// float v_x_virt[3];
// // Real node - if characteristic is 'outer'*/
// /* if(!inner[i])
// {
// // Find directions to corresponding 'outer' point and to virt 'paired node'
// for(int j = 0; j < 3; j++) {
// v_x_outer[j] = previous_nodes[ppoint_num[i]].coords[j] - cur_node.coords[j];
// v_x_virt[j] = virt_node.coords[j] - cur_node.coords[j];
// }
// // If directions are different - smth bad happens
// if( (v_x_outer[0] * v_x_virt[0]
// + v_x_outer[1] * v_x_virt[1] + v_x_outer[2] * v_x_virt[2]) < 0 )
// {
// *logger << "MESH " << mesh->zone_num << "REAL NODE " << cur_node.local_num << ": "
// << "x: " << cur_node.coords[0]
// << " y: " << cur_node.coords[1]
// << " z: " < cur_node.coords[2];
// log_node_diagnostics(cur_node, stage, outer_normal, mesh, basis_num, rheologyMatrix, time_step, previous_nodes, ppoint_num, inner, dksi);
// *logger << "'Outer' direction: " << v_x_outer[0] << " "
// << v_x_outer[1] << " " < v_x_outer[2];
// *logger << "'Virt' direction: " << v_x_virt[0] << " "
// << v_x_virt[1] << " " < v_x_virt[2];
// throw GCMException( GCMException::METHOD_EXCEPTION, "Bad contact from real node point of view: 'outer' and 'virt' directions are different");
// }
// }*/
// // We switch it off because it conflicts sometimes with 'safe_direction'
// /* // Virt node - if characteristic is 'outer'
// if(!virt_inner[i])
// {
// // Find directions to corresponding 'outer' point and to real 'paired node'
// for(int j = 0; j < 3; j++) {
// v_x_outer[j] = virt_previous_nodes[virt_ppoint_num[i]].coords[j] - virt_node.coords[j];
// v_x_virt[j] = cur_node.coords[j] - virt_node.coords[j];
// }
// // If directions are different - smth bad happens
// if( (v_x_outer[0] * v_x_virt[0]
// + v_x_outer[1] * v_x_virt[1] + v_x_outer[2] * v_x_virt[2]) < 0 )
// {
// *logger << "MESH " << mesh->zone_num << "REAL NODE " << cur_node.local_num << ": "
// << "x: " << cur_node.coords[0]
// << " y: " << cur_node.coords[1]
// << " z: " < cur_node.coords[2];
// log_node_diagnostics(virt_node, stage, virt_outer_normal, virt_node.mesh, basis_num, virt_rheologyMatrix, time_step, virt_previous_nodes, virt_ppoint_num, virt_inner, virt_dksi);
// *logger << "'Outer' direction: " << v_x_outer[0] << " "
// << v_x_outer[1] << " "< v_x_outer[2];
// *logger << "'Virt' direction: " << v_x_virt[0] << " "
// << v_x_virt[1] << " " < v_x_virt[2];
// throw GCMException( GCMException::METHOD_EXCEPTION, "Bad contact from virt node point of view: 'outer' and 'virt' directions are different");
// }
// }*/
//// }
//
LOG_TRACE("Using calculator: " << engine.getContactCondition(cur_node.getContactConditionId())->calc->getType());
LOG_TRACE("Outer normal: " << outer_normal[0] << " " << outer_normal[1] << " " << outer_normal[2]);
engine.getContactCondition(cur_node.getContactConditionId())->doCalc(Engine::getInstance().getCurrentTime(), cur_node,
new_node, virt_node, cur_node.getRheologyMatrix(), previous_nodes, inner,
virt_node.getRheologyMatrix(), virt_previous_nodes, virt_inner, outer_normal);
}
// It means smth went wrong. Just interpolate the values and report bad node.
}
else
{
//LOG_WARN("Outer count: " << outer_count);
//LOG_WARN("Node: " << cur_node);
//for (int z = 0; z < 9; z++) {
// LOG_WARN("Dksi[" << z << "]: " << dksi[z]);
// LOG_WARN("Inner[" << z << "]: " << inner[z]);
// LOG_WARN("PrNodes[" << z << "]: " << previous_nodes[z]);
//}
//THROW_BAD_METHOD("Illegal number of outer characteristics");
// FIXME - implement border and contact completely
LOG_TRACE("Using calculator: " << engine.getBorderCondition(0)->calc->getType());
engine.getBorderCondition(0)->doCalc(Engine::getInstance().getCurrentTime(), cur_node,
new_node, cur_node.getRheologyMatrix(), previous_nodes, inner, outer_normal);
cur_node.setNeighError(stage);
}
LOG_TRACE("Done border node calc");
}
}
void CalcNode::setRheologyMatrix(RheologyMatrixPtr matrix)
{
assert_true(matrix.get());
rheologyMatrix = matrix;
}