Add coronary boundary condition

Use Case

Coronary boundary conditions.

Problem

The svMultiPhysics solver currently uses the svZeroDSolver interface for coronary boundary conditions. The svSolver had an internal implementation for coronary boundary conditions.

A coronary boundary condition requires users to create a svZeroDSolver JSON file and add a svZeroDSolver_interface section. This requires understanding about svZeroDSolver JSON file format and other details.

Solution

Add an internal implementation for coronary boundary conditions to svMultiPhysics similar to the current RCR boundary condition.

This will make it convenient for users to use coronary boundary conditions without creating a svZeroDSolver JSON file.

The Fortran code for coronary boundary conditions in svSolver can be converted to C++.

Alternatives considered

It might be better to use the svZeroDSolver internally than write another implementation for coronary boundary conditions.

Additional context

No response

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