#3470 Inflow model. New algorithm for calculating averageflow distance

ApplicationCode/Application/Tools/RiaCellDividingTools.cpp

@@ -21,7 +21,7 @@
 #include "cvfAssert.h"
 
 #include <cmath>
-
+#include <limits>
 
 //--------------------------------------------------------------------------------------------------
 /// Internal functions
@@ -130,6 +130,36 @@ RiaCellDividingTools::createHexCornerCoords(std::array<cvf::Vec3d, 8> mainCellCo
     return coords;
 }
 
+//--------------------------------------------------------------------------------------------------
+///
+//--------------------------------------------------------------------------------------------------
+double RiaCellDividingTools::computeFlowDistance(const std::array<cvf::Vec3d, 8>& cellVertices,
+                                                 const cvf::Vec3d& areaCenter)
+{
+    auto subCellCorners = createHexCornerCoords(cellVertices, 2, 2, 2);
+
+    double weightedDistanceTotal = 0.0;
+    double weightTotal = 0.0;
+
+    for (size_t c = 0; c < 8; c++)
+    {
+        double weight = 1.0;
+        weightTotal += weight;
+
+        cvf::Vec3d centerOfSubCell = cvf::Vec3d::ZERO;
+        {
+            cvf::Vec3d vertexSum = cvf::Vec3d::ZERO;
+            for (size_t v = 0; v < 8; v++) vertexSum += subCellCorners[c * 8 + v];
+            centerOfSubCell = vertexSum / 8;
+        }
+
+        auto dist = (centerOfSubCell - areaCenter).length();
+        weightedDistanceTotal += (dist * weight);
+    }
+
+    return weightedDistanceTotal / weightTotal;
+}
+
 //--------------------------------------------------------------------------------------------------
 ///
 //--------------------------------------------------------------------------------------------------

ApplicationCode/Application/Tools/RiaCellDividingTools.h

@@ -32,4 +32,6 @@ class RiaCellDividingTools
 public:
     static std::vector<cvf::Vec3d>
         createHexCornerCoords(std::array<cvf::Vec3d, 8> mainCellCorners, size_t nx, size_t ny, size_t nz);
+
+    static double computeFlowDistance(const std::array<cvf::Vec3d, 8>& cellVertices, const cvf::Vec3d& areaCenter);
 };

ApplicationCode/UnitTests/CMakeLists_files.cmake

@@ -50,6 +50,7 @@ ${CMAKE_CURRENT_LIST_DIR}/RifEclipseDataTableFormatter-Test.cpp
 ${CMAKE_CURRENT_LIST_DIR}/RiaWeightedMean-Test.cpp
 ${CMAKE_CURRENT_LIST_DIR}/RiaWeightedGeometricMeanCalculator-Test.cpp
 ${CMAKE_CURRENT_LIST_DIR}/RiaWeightedHarmonicMeanCalculator-Test.cpp
+${CMAKE_CURRENT_LIST_DIR}/RiaCellDividingTools-Test.cpp
 )
 
 list(APPEND CODE_HEADER_FILES

ApplicationCode/UnitTests/RiaCellDividingTools-Test.cpp

@@ -0,0 +1,111 @@
+/////////////////////////////////////////////////////////////////////////////////
+//
+//  Copyright (C) 2017     Statoil ASA
+// 
+//  ResInsight is free software: you can redistribute it and/or modify
+//  it under the terms of the GNU General Public License as published by
+//  the Free Software Foundation, either version 3 of the License, or
+//  (at your option) any later version.
+// 
+//  ResInsight is distributed in the hope that it will be useful, but WITHOUT ANY
+//  WARRANTY; without even the implied warranty of MERCHANTABILITY or
+//  FITNESS FOR A PARTICULAR PURPOSE.
+// 
+//  See the GNU General Public License at <http://www.gnu.org/licenses/gpl.html> 
+//  for more details.
+//
+/////////////////////////////////////////////////////////////////////////////////
+
+#include "gtest/gtest.h"
+
+#include "RiaCellDividingTools.h"
+#include "RigMainGrid.h"
+
+//--------------------------------------------------------------------------------------------------
+/// Helper
+//--------------------------------------------------------------------------------------------------
+std::array<cvf::Vec3d, 8> createRegularCellCoords(cvf::Vec3d refPt, double xLen, double yLen, double zLen)
+{
+    std::array<cvf::Vec3d, 8> coords = {
+        refPt + cvf::Vec3d(0, 0, 0),
+        refPt + cvf::Vec3d(xLen, 0, 0),
+        refPt + cvf::Vec3d(xLen, yLen, 0),
+        refPt + cvf::Vec3d(0, yLen, 0),
+        refPt + cvf::Vec3d(0, 0, zLen),
+        refPt + cvf::Vec3d(xLen, 0, zLen),
+        refPt + cvf::Vec3d(xLen, yLen, zLen),
+        refPt + cvf::Vec3d(0, yLen, zLen),
+    };
+    return coords;
+}
+
+//--------------------------------------------------------------------------------------------------
+/// 
+//--------------------------------------------------------------------------------------------------
+TEST(RiaCellDividingTools, flowDistanceCubicMainCell_AreaPointInCenter)
+{          
+    std::array<cvf::Vec3d, 8> mainCellCorners = createRegularCellCoords(cvf::Vec3d(10, 10, 10), 10, 10, 10);
+    cvf::Vec3d point(15, 15, 15);
+
+    double dist = RiaCellDividingTools::computeFlowDistance(mainCellCorners, point);
+
+    double expectedDist =
+        (
+            (cvf::Vec3d(12.5, 12.5, 12.5) - point).length() + (cvf::Vec3d(17.5, 12.5, 12.5) - point).length() +
+            (cvf::Vec3d(12.5, 17.5, 12.5) - point).length() + (cvf::Vec3d(17.5, 17.5, 12.5) - point).length() +
+            (cvf::Vec3d(12.5, 12.5, 17.5) - point).length() + (cvf::Vec3d(17.5, 12.5, 17.5) - point).length() +
+            (cvf::Vec3d(12.5, 17.5, 17.5) - point).length() + (cvf::Vec3d(17.5, 17.5, 17.5) - point).length()
+        ) / 8;
+
+    EXPECT_NEAR(expectedDist, dist, 1e-6);
+}
+
+//--------------------------------------------------------------------------------------------------
+///
+//--------------------------------------------------------------------------------------------------
+TEST(RiaCellDividingTools, flowDistanceCubicMainCell_AreaPointNearCorner)
+{
+    std::array<cvf::Vec3d, 8> mainCellCorners = createRegularCellCoords(cvf::Vec3d(10, 10, 10), 10, 10, 10);
+    cvf::Vec3d                point(11, 11, 11);
+
+    double dist = RiaCellDividingTools::computeFlowDistance(mainCellCorners, point);
+
+    double expectedDist = ((cvf::Vec3d(12.5, 12.5, 12.5) - point).length() + (cvf::Vec3d(17.5, 12.5, 12.5) - point).length() +
+                           (cvf::Vec3d(12.5, 17.5, 12.5) - point).length() + (cvf::Vec3d(17.5, 17.5, 12.5) - point).length() +
+                           (cvf::Vec3d(12.5, 12.5, 17.5) - point).length() + (cvf::Vec3d(17.5, 12.5, 17.5) - point).length() +
+                           (cvf::Vec3d(12.5, 17.5, 17.5) - point).length() + (cvf::Vec3d(17.5, 17.5, 17.5) - point).length()) /
+                          8;
+
+    EXPECT_NEAR(expectedDist, dist, 1e-6);
+}
+
+//--------------------------------------------------------------------------------------------------
+///
+//--------------------------------------------------------------------------------------------------
+TEST(RiaCellDividingTools, flowDistanceHighMainCell_AreaPointNearLowerCorner)
+{
+    std::array<cvf::Vec3d, 8> mainCellCorners = createRegularCellCoords(cvf::Vec3d(10, 10, 10), 10, 10, 100);
+    cvf::Vec3d                point(11, 11, 11);
+
+    double dist = RiaCellDividingTools::computeFlowDistance(mainCellCorners, point);
+
+    double expectedDist = ((cvf::Vec3d(12.5, 12.5, 35) - point).length() + (cvf::Vec3d(17.5, 12.5, 35) - point).length() +
+                           (cvf::Vec3d(12.5, 17.5, 35) - point).length() + (cvf::Vec3d(17.5, 17.5, 35) - point).length() +
+                           (cvf::Vec3d(12.5, 12.5, 85) - point).length() + (cvf::Vec3d(17.5, 12.5, 85) - point).length() +
+                           (cvf::Vec3d(12.5, 17.5, 85) - point).length() + (cvf::Vec3d(17.5, 17.5, 85) - point).length()) /
+                          8;
+
+    EXPECT_NEAR(expectedDist, dist, 1e-6);
+}
+
+
+//--------------------------------------------------------------------------------------------------
+///
+//--------------------------------------------------------------------------------------------------
+  TEST(RigCellGeometryTools, lgrNodesTest)
+{
+    std::array<cvf::Vec3d, 8> mainCellCorners = createRegularCellCoords(cvf::Vec3d(10, 10, 10), 36, 18, 18);
+    auto                      coords          = RiaCellDividingTools::createHexCornerCoords(mainCellCorners, 6, 3, 3);
+    
+
+}