void AxisymPointRigidContactPenalty2DCondition::CalculateContactFactors(GeneralVariables &rVariables)
  {

    KRATOS_TRY
      
    WeakPointerVector<Node<3> >& rN = GetGeometry()[0].GetValue(NEIGHBOUR_NODES);

    array_1d<double,3> Contact_Point = GetGeometry()[0].Coordinates();
    array_1d<double,3> Neighb_Point;

    double distance = 0;
    double counter  = 0;

    // double radius   = 0;
    // double meanradius = 0;

    for(unsigned int i = 0; i < rN.size(); i++)
      {
	if(rN[i].Is(BOUNDARY)){
	    
	  Neighb_Point[0] = rN[i].X();
	  Neighb_Point[1] = rN[i].Y();
	  Neighb_Point[2] = rN[i].Z();
	    
	  // radius = fabs(Contact_Point[0] + rN[i].X()) * 0.5;
	  // meanradius += radius;
	  // distance += norm_2(Contact_Point-Neighb_Point) * radius;

	  distance += norm_2(Contact_Point-Neighb_Point);

	  counter ++;
	}
      }

    // if( Contact_Point[0] > 0)
    //   distance /= ( counter * Contact_Point[0] );
    // else
    //   distance /= ( counter * (meanradius/counter) ); 

    if( counter != 0 )
      distance /= counter;

    if( distance == 0 )
      distance = 1;

    //get contact properties and parameters
    double PenaltyParameter = 1;
    if( GetProperties().Has(PENALTY_PARAMETER) )
      PenaltyParameter = GetProperties()[PENALTY_PARAMETER];

    double ElasticModulus   = GetProperties()[YOUNG_MODULUS];

    double factor = 4;
    if( distance < 1.0 ){ //take a number bigger than 1.0 (length units)
      int order = (int)((-1) * std::log10(distance) + 1) ;
      distance *= factor * pow(10,order);
    }

    rVariables.Penalty.Normal  = distance * PenaltyParameter * ElasticModulus;

    double PenaltyRatio = 1;
    if( GetProperties().Has(TANGENTIAL_PENALTY_RATIO) )
      PenaltyRatio = GetProperties()[TANGENTIAL_PENALTY_RATIO];
    
    rVariables.Penalty.Tangent = rVariables.Penalty.Normal * PenaltyRatio;  
    

    //std::cout<<" Node "<<GetGeometry()[0].Id()<<" Contact Factors "<<rVariables.Penalty.Normal<<" Gap Normal "<<rVariables.Gap.Normal<<" Gap Tangent "<<rVariables.Gap.Tangent<<" Surface.Normal "<<rVariables.Surface.Normal<<" Surface.Tangent "<<rVariables.Surface.Tangent<<" distance "<<distance<<" ElasticModulus "<<ElasticModulus<<" PenaltyParameter "<<PenaltyParameter<<std::endl;
    
    KRATOS_CATCH( "" )
      }
コード例 #2
0
ファイル: kernel_atomic.hpp プロジェクト: mathkann/bayesopt
 inline double computeWeightedNorm2(const vectord &x1, const vectord &x2)
 {  
   assert(n_inputs == x1.size());
   assert(x1.size() == x2.size());
   return norm_2(x1-x2)/params(0); 
 };
コード例 #3
0
 double operator() (const vectord &x) 
 { 
   const vectord x2 = mProc->getData()->getLastSampleX();
   return mW*norm_2(x-x2);
 };