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C++ NumberArray::dot方法代码示例

本文整理汇总了C++中NumberArray::dot方法的典型用法代码示例。如果您正苦于以下问题：C++ NumberArray::dot方法的具体用法？C++ NumberArray::dot怎么用？C++ NumberArray::dot使用的例子？那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类NumberArray的用法示例。


在下文中一共展示了NumberArray::dot方法的3个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C++代码示例。

示例1: ADScalar

Scalar MASA::ad_cns_3d_crossterms<Scalar>::eval_q_e(Scalar x1, Scalar y1, Scalar z1) const
{
  using std::cos;

  typedef DualNumber<Scalar, NumberArray<NDIM, Scalar> > FirstDerivType;
  typedef DualNumber<FirstDerivType, NumberArray<NDIM, FirstDerivType> > SecondDerivType;
  typedef SecondDerivType ADScalar;

  // Treat velocity as a vector
  NumberArray<NDIM, ADScalar> U;

  const ADScalar x = ADScalar(x1,NumberArrayUnitVector<NDIM, 0, Scalar>::value());
  const ADScalar y = ADScalar(y1,NumberArrayUnitVector<NDIM, 1, Scalar>::value());
  const ADScalar z = ADScalar(z1,NumberArrayUnitVector<NDIM, 2, Scalar>::value());

  // Arbitrary manufactured solution
  U[0] = u_0 + u_x * cos(a_ux * PI * x / L) * u_y * cos(a_uy * PI * y / L) * cos(a_uy * PI * z / L);
  U[1] = v_0 + v_x * cos(a_vx * PI * x / L) * v_y * cos(a_vy * PI * y / L) * cos(a_vy * PI * z / L);
  U[2] = w_0 + w_x * cos(a_wx * PI * x / L) * w_y * cos(a_wy * PI * y / L) * cos(a_wy * PI * z / L);
  ADScalar RHO = rho_0 + rho_x * cos(a_rhox * PI * x / L) * rho_y * cos(a_rhoy * PI * y / L) * cos(a_rhoz * PI * z / L);
  ADScalar P = p_0 + p_x * cos(a_px * PI * x / L) * p_y * cos(a_py * PI * y / L) * cos(a_pz * PI * z / L);

  // Temperature
  ADScalar T = P / RHO / R;

  // Perfect gas energies
  ADScalar E = 1./(Gamma-1.)*P/RHO;
  ADScalar ET = E + .5 * U.dot(U);

  // The shear strain tensor
  NumberArray<NDIM, typename ADScalar::derivatives_type> GradU = gradient(U);

  // The identity tensor I
  NumberArray<NDIM, NumberArray<NDIM, Scalar> > Identity = 
    NumberArray<NDIM, Scalar>::identity();

  // The shear stress tensor
  NumberArray<NDIM, NumberArray<NDIM, ADScalar> > Tau = mu * (GradU + transpose(GradU) - 2./3.*divergence(U)*Identity);

  // Temperature flux
  NumberArray<NDIM, ADScalar> q = -k * T.derivatives();

  // Euler equation residuals
  // Scalar Q_rho = raw_value(divergence(RHO*U));
  // NumberArray<NDIM, Scalar> Q_rho_u = 
  //   raw_value(divergence(RHO*U.outerproduct(U) - Tau) + P.derivatives());

  // energy equation
  Scalar Q_rho_e = raw_value(divergence((RHO*ET+P)*U + q - Tau.dot(U)));

  return Q_rho_e;
}
开发者ID:RhysU，项目名称:MASA，代码行数:52，代码来源:ad_cns_3d_crossterms.cpp

示例2: evaluate_q

double evaluate_q (const NumberArray<NDIM, ADScalar>& xyz, const int ret)
{
  typedef typename RawType<ADScalar>::value_type Scalar;

  const Scalar PI = std::acos(Scalar(-1));

  const Scalar k = 1.38;
  const Scalar u_0 = 200.23;
  const Scalar u_x = 1.1;
  const Scalar u_y = 1.08;
  const Scalar v_0 = 1.2;
  const Scalar v_x = 1.6;
  const Scalar v_y = .47;
  const Scalar rho_0 = 100.02;
  const Scalar rho_x = 2.22;
  const Scalar rho_y = 0.8;
  const Scalar p_0 = 150.2;
  const Scalar p_x = .91;
  const Scalar p_y = .623;
  const Scalar a_px = .165;
  const Scalar a_py = .612;
  const Scalar a_rhox = 1.0;
  const Scalar a_rhoy = 1.0;
  const Scalar a_ux = .1987;
  const Scalar a_uy = 1.189;
  const Scalar a_vx = 1.91;
  const Scalar a_vy = 1.0;
  const Scalar Gamma = 1.01;
  const Scalar mu = .918;
  const Scalar L = 3.02;

  const ADScalar& x = xyz[0];
  const ADScalar& y = xyz[1];

  // Treat velocity as a vector
  NumberArray<NDIM, ADScalar> U;

  // Arbitrary manufactured solution
  U[0] = u_0 + u_x * std::sin(a_ux * PI * x / L) + u_y * std::cos(a_uy * PI * y / L);
  U[1] = v_0 + v_x * std::cos(a_vx * PI * x / L) + v_y * std::sin(a_vy * PI * y / L);
  ADScalar RHO = rho_0 + rho_x * std::sin(a_rhox * PI * x / L) + rho_y * std::cos(a_rhoy * PI * y / L);
  ADScalar P = p_0 + p_x * std::cos(a_px * PI * x / L) + p_y * std::sin(a_py * PI * y / L);

  // Perfect gas energies
  ADScalar E = 1./(Gamma-1.)*P/RHO;
  ADScalar ET = E + .5 * U.dot(U);

  // Euler equation residuals
  Scalar Q_rho = raw_value(divergence(RHO*U));
  NumberArray<NDIM, Scalar> Q_rho_u = raw_value(divergence(RHO*U.outerproduct(U)) + P.derivatives());

  // energy equation
  Scalar Q_rho_e = raw_value(divergence((RHO*ET+P)*U));
  // Scalar Q_rho_e = raw_value(divergence((RHO*U*ET)+(P*U)));

  switch(ret)
    {

      // u
    case 1: 
      return Q_rho_u[0];
      break;

      // v
    case 2:
      return Q_rho_u[1];
      break;

      // rho
    case 3:
      return Q_rho;
      break;

      // energy
    case 4:
      return Q_rho_e;
      break;

    default:
      std::cout << "something is wrong!\n";
      exit;
    }
  return 0;
}
开发者ID:RhysU，项目名称:MASA，代码行数:84，代码来源:ad_euler.cpp

示例3: evaluate_q

double evaluate_q (const NumberArray<NDIM, ADScalar>& xyz, const int ret)
{
  typedef typename RawType<ADScalar>::value_type Scalar;

  const Scalar PI = std::acos(Scalar(-1));

  const Scalar R = masa_get_param("R");
  const Scalar u_0 = masa_get_param("u_0");
  const Scalar u_x = masa_get_param("u_x");
  const Scalar u_y = masa_get_param("u_y");
  const Scalar v_0 = masa_get_param("v_0");
  const Scalar v_x = masa_get_param("v_x");
  const Scalar v_y = masa_get_param("v_y");
  const Scalar rho_0 = masa_get_param("rho_0");
  const Scalar rho_x = masa_get_param("rho_x");
  const Scalar rho_y = masa_get_param("rho_y");
  const Scalar p_0 = masa_get_param("p_0");
  const Scalar p_x = masa_get_param("p_x");
  const Scalar p_y = masa_get_param("p_y");
  const Scalar a_px = masa_get_param("a_px");
  const Scalar a_py = masa_get_param("a_py");
  const Scalar a_rhox = masa_get_param("a_rhox");
  const Scalar a_rhoy = masa_get_param("a_rhoy");
  const Scalar a_ux = masa_get_param("a_ux");
  const Scalar a_uy = masa_get_param("a_uy");
  const Scalar a_vx = masa_get_param("a_vx");
  const Scalar a_vy = masa_get_param("a_vy");
  const Scalar Gamma = masa_get_param("Gamma");
  const Scalar L = masa_get_param("L");
  const Scalar mu = masa_get_param("mu");
  const Scalar k = masa_get_param("k");

  const ADScalar& x = xyz[0];
  const ADScalar& y = xyz[1];

  // Treat velocity as a vector
  NumberArray<NDIM, ADScalar> U;

  // Arbitrary manufactured solution
  U[0] = u_0 + u_x * std::cos(a_ux * PI * x / L) * u_y * std::cos(a_uy * PI * y / L);
  U[1] = v_0 + v_x * std::cos(a_vx * PI * x / L) * v_y * std::cos(a_vy * PI * y / L);
  ADScalar RHO = rho_0 + rho_x * std::cos(a_rhox * PI * x / L) * rho_y * std::cos(a_rhoy * PI * y / L);
  ADScalar P = p_0 + p_x * std::cos(a_px * PI * x / L) * p_y * std::cos(a_py * PI * y / L);

  // Temperature
  ADScalar T = P / RHO / R;

  // Perfect gas energies
  ADScalar E = 1./(Gamma-1.)*P/RHO;
  ADScalar ET = E + .5 * U.dot(U);

  // The shear strain tensor
  NumberArray<NDIM, typename ADScalar::derivatives_type> GradU = gradient(U);

  // The identity tensor I
  NumberArray<NDIM, NumberArray<NDIM, Scalar> > Identity = 
    NumberArray<NDIM, Scalar>::identity();

  // The shear stress tensor
  NumberArray<NDIM, NumberArray<NDIM, ADScalar> > Tau = mu * (GradU + transpose(GradU) - 2./3.*divergence(U)*Identity);

  // Temperature flux
  NumberArray<NDIM, ADScalar> q = -k * T.derivatives();

  // Euler equation residuals
  Scalar Q_rho = raw_value(divergence(RHO*U));
  NumberArray<NDIM, Scalar> Q_rho_u = 
    raw_value(divergence(RHO*U.outerproduct(U) - Tau) + P.derivatives());

  // energy equation
  Scalar Q_rho_e = raw_value(divergence((RHO*ET+P)*U + q - Tau.dot(U)));

  switch(ret)
    {

      // u
    case 1: 
      return Q_rho_u[0];
      break;

      // v
    case 2:
      return Q_rho_u[1];
      break;

      // rho
    case 3:
      return Q_rho;
      break;

      // energy
    case 4:
      return Q_rho_e;
      break;

    default:
      std::cout << "something is wrong!\n";
      exit(1);
    }
}
开发者ID:RhysU，项目名称:MASA，代码行数:100，代码来源:ad_cns_crossterm.cpp


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