WallFrictionModelsTest.C

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//* This file is part of the MOOSE framework
//* https://mooseframework.inl.gov
//*
//* All rights reserved, see COPYRIGHT for full restrictions
//* https://github.com/idaholab/moose/blob/master/COPYRIGHT
//*
//* Licensed under LGPL 2.1, please see LICENSE for details
//* https://www.gnu.org/licenses/lgpl-2.1.html

#include "gtest/gtest.h"
#include "WallFrictionModels.h"
#include "THMTestUtils.h"

TEST(WallFrictionModelsTest, darcy_friction_factor)
{
  ABS_TEST(WallFriction::DarcyFrictionFactor(5.), 20., 1e-13);
}

TEST(WallFrictionModelsTest, fanning_friction_factor_churchill)
{
  // Re < 10
  ABS_TEST(WallFriction::FanningFrictionFactorChurchill(1, 1e-5, 2e-2), 1.6, 1e-13);
  // Re > 10
  ABS_TEST(WallFriction::FanningFrictionFactorChurchill(100, 1e-5, 2e-2), 0.16, 1e-13);
}