C++ GaussPoint::giveGlobalCoordinates方法代码示例

void PrescribedGradientBCWeak :: assembleGPContrib(SparseMtrx &answer, TimeStep *tStep,
                      CharType type, const UnknownNumberingScheme &r_s, const UnknownNumberingScheme &c_s, TracSegArray &iEl, GaussPoint &iGP)
{

    SpatialLocalizer *localizer = domain->giveSpatialLocalizer();

    ///////////////
    // Gamma_plus
	FloatMatrix contrib;
	assembleTangentGPContributionNew(contrib, iEl, iGP, -1.0, iGP.giveGlobalCoordinates());

    // Compute vector of traction unknowns
    FloatArray tracUnknowns;
    iEl.mFirstNode->giveUnknownVector(tracUnknowns, giveTracDofIDs(), VM_Total, tStep);

    IntArray trac_rows;
    iEl.giveTractionLocationArray(trac_rows, type, r_s);


    FloatArray dispElLocCoord, closestPoint;
    Element *dispEl = localizer->giveElementClosestToPoint(dispElLocCoord, closestPoint, iGP.giveGlobalCoordinates() );

    IntArray disp_cols;
    dispEl->giveLocationArray(disp_cols, c_s);

    answer.assemble(trac_rows, disp_cols, contrib);

    FloatMatrix contribT;
    contribT.beTranspositionOf(contrib);
    answer.assemble(disp_cols, trac_rows, contribT);



    ///////////////
    // Gamma_minus
    contrib.clear();
	FloatArray xMinus;
	this->giveMirroredPointOnGammaMinus(xMinus, iGP.giveGlobalCoordinates() );
	assembleTangentGPContributionNew(contrib, iEl, iGP, 1.0, xMinus);

    // Compute vector of traction unknowns
	tracUnknowns.clear();
	iEl.mFirstNode->giveUnknownVector(tracUnknowns, giveTracDofIDs(), VM_Total, tStep);

    trac_rows.clear();
    iEl.giveTractionLocationArray(trac_rows, type, r_s);


    dispElLocCoord.clear(); closestPoint.clear();
    dispEl = localizer->giveElementClosestToPoint(dispElLocCoord, closestPoint, xMinus );

    disp_cols.clear();
    dispEl->giveLocationArray(disp_cols, c_s);

    answer.assemble(trac_rows, disp_cols, contrib);

    contribT.clear();
    contribT.beTranspositionOf(contrib);
    answer.assemble(disp_cols, trac_rows, contribT);


    // Assemble zeros on diagonal (required by PETSc solver)
	FloatMatrix KZero(1,1);
	KZero.zero();
    for( int i :  trac_rows) {
        answer.assemble(IntArray({i}), IntArray({i}), KZero);
    }
}

std::vector<std::unique_ptr<EnrichmentItem>> NCPrincipalStress::nucleateEnrichmentItems() {


	SpatialLocalizer *octree = this->mpDomain->giveSpatialLocalizer();
	XfemManager *xMan = mpDomain->giveXfemManager();

	std::vector<std::unique_ptr<EnrichmentItem>> eiList;

	// Center coordinates of newly inserted cracks
	std::vector<FloatArray> center_coord_inserted_cracks;

	// Loop over all elements and all bulk GP.
	for(auto &el : mpDomain->giveElements() ) {

		int numIR = el->giveNumberOfIntegrationRules();

		int csNum = el->giveCrossSection()->giveNumber();

		if(csNum == mCrossSectionInd || true) {

			for(int irInd = 0; irInd < numIR; irInd++) {
				IntegrationRule *ir = el->giveIntegrationRule(irInd);



				int numGP = ir->giveNumberOfIntegrationPoints();

				for(int gpInd = 0; gpInd < numGP; gpInd++) {
					GaussPoint *gp = ir->getIntegrationPoint(gpInd);

	//				int csNum = gp->giveCrossSection()->giveNumber();
	//				printf("csNum: %d\n", csNum);


						StructuralMaterialStatus *ms = dynamic_cast<StructuralMaterialStatus*>(gp->giveMaterialStatus());

						if(ms != NULL) {

							const FloatArray &stress = ms->giveTempStressVector();

							FloatArray principalVals;
							FloatMatrix principalDirs;
							StructuralMaterial::computePrincipalValDir(principalVals, principalDirs, stress, principal_stress);

							if(principalVals[0] > mStressThreshold) {



		//						printf("\nFound GP with stress above threshold.\n");
		//						printf("principalVals: "); principalVals.printYourself();

								FloatArray crackNormal;
								crackNormal.beColumnOf(principalDirs, 1);
		//						printf("crackNormal: "); crackNormal.printYourself();

								FloatArray crackTangent = {-crackNormal(1), crackNormal(0)};
								crackTangent.normalize();
		//						printf("crackTangent: "); crackTangent.printYourself();



								// Create geometry
								FloatArray pc = {gp->giveGlobalCoordinates()(0), gp->giveGlobalCoordinates()(1)};
		//						printf("Global coord: "); pc.printYourself();


								FloatArray ps = pc;
								ps.add(-0.5*mInitialCrackLength, crackTangent);

								FloatArray pe = pc;
								pe.add(0.5*mInitialCrackLength, crackTangent);

								if(mCutOneEl) {
									// If desired, ensure that the crack cuts exactly one element.
									Line line(ps, pe);
									std::vector<FloatArray> intersecPoints;
		//							line.computeIntersectionPoints(el.get(), intersecPoints);

									for ( int i = 1; i <= el->giveNumberOfDofManagers(); i++ ) {
//										int n1 = i;
//										int n2 = 0;
//										if ( i < el->giveNumberOfDofManagers() ) {
//											n2 = i + 1;
//										} else {
//											n2 = 1;
//										}

		//						        const FloatArray &p1 = *(el->giveDofManager(n1)->giveCoordinates());
		//						        const FloatArray &p2 = *(el->giveDofManager(n2)->giveCoordinates());


									}

		//							printf("intersecPoints.size(): %lu\n", intersecPoints.size());

									if(intersecPoints.size() == 2) {
										ps = std::move(intersecPoints[0]);
										pe = std::move(intersecPoints[1]);
									}
									else {
//.........这里部分代码省略.........