2D and 3D gradients and divergences and potential vortex example#28
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rouson wants to merge 27 commits into
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2D and 3D gradients and divergences and potential vortex example#28rouson wants to merge 27 commits into
rouson wants to merge 27 commits into
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This commit hoists the 1D scalar grid locations calculator up from scalar_1D_s to tensors_1D_m, renames it from "scalar_1D_grid_locations" to "cell_centers_extended_1D", and makes it public in anticipation of wider use in multidimensional calculations.
This commit hoists the 1D vector grid locations calculator up from vector_1D_s to tensors_1D_m, renames it from "faces" to "faces_1D", and makes it public in anticipation of wider use in multidimensional calculations.
The commit contains the first passing test of a 2D differential operator: .grad. correctly computes a gradient_2D_t when given a scalar_2D_t operand.
This commit increases the rank of the tensor_2D_t values_ component to facilitate storing tensors of rank up to and including rank 4.
This commit tests the .grad. operator with a scalar_2D_t defined as the biquadratic function z = 1 - 2*x + 3*x**2 - x*y/5 + 3*y**2 - 2*y which has the gradient g = [-2 + 6*x - y/5, -x/5 + 6*y - 2] on the domain cells=[30,20], x_min=[-1D0,1D0], x_max=[9D0,4D0].
This commit adds 1. A scalar_2D_t "to_file" type-bound procedure that creates a Juliennne file_t object containing points for a surface plot, 2. An scalar-surface example that creates a scalar and saves it to example/scripts/scalar-surface.csv, and 3. A scalar-surface.gnuplot script that plots the surface and saves it to scalar-surface.gif.
This commit adds 1. A vector_1D constructor for constant vector fields and 2. A vector_2D grid calculator.
This commit 1. Adds public scalar_3D_t and vector_3D_t types and a supporting private tensors_3D_t type and 2. A passing unit test for the gradient of a 3D scalar field.
This commit 1. Updates the scalar-surface plot example to also output files that can be used to plot the gradient of the surface, 2. Redefines the surface so that it corresponds to a velocity potential defining an irrotational vortex, 3. Adds a script that plots the resulting velocity vield and the expected velocity field.
This reverts commit 3b86aa2.
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This commit gathers a pattern of scalar_1D_t operand conformability assertions into one function and calls that function where applicable.
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
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This PR adds
Public 2D and 3D scalar, vector, gradient, and divergence types with
scalar_1D_initializer_ivector_1D_initializer_idivergence_1D_initializer_i.grad.for 2D and 3D scalars.div.for 2D and 3D vectorsto_file,grid, andvaluesfor 2D and 3D scalars, vectors, and divergencesPassing unit tests for
An example program demonstrating
Gnuplot scripts that plot
New constructors for 1D, 2D, and 3D scalar, vector, and divergence fields.