feat: add windows exe parameter to run dyna (#801)

Co-authored-by: pre-commit-ci[bot] <66853113+pre-commit-ci[bot]@users.noreply.github.com>
Co-authored-by: pyansys-ci-bot <92810346+pyansys-ci-bot@users.noreply.github.com>

Author: 3 people

doc/changelog/801.added.md

@@ -0,0 +1 @@
+add windows exe parameter to run dyna

src/ansys/dyna/core/run/windows_runner.py

@@ -23,6 +23,7 @@
 """Windows implementation of LS-DYNA runner."""
 
 import os
+from pathlib import Path
 import subprocess
 
 from ansys.tools.path import get_latest_ansys_installation
@@ -43,20 +44,33 @@ def __init__(self, **kwargs):
         """Initialize WindowsRunner."""
         super().__init__(**kwargs)
         version = kwargs.get("version", None)
-        self._find_solver(version)
+        executable = kwargs.get("executable", None)
+        self._find_solver(version, executable)
 
     def set_input(self, input_file: str, working_directory: str) -> None:
         """Set input file and working directory."""
         self.input_file = input_file
         self.working_directory = working_directory
 
-    def _find_solver(self, version: int) -> None:
+    def _find_solver(self, version: int, executable: str = None) -> None:
         """Find LS-DYNA solver location."""
-        if version is not None:
-            install_loc, _ = _get_unified_install_base_for_version(version)
+        if executable:
+            exe_path = Path(executable)
+            if exe_path.is_file():
+                self.solver_location = str(exe_path.parent)
+                self.solver = f'"{str(exe_path)}"'
+                return
+            raise FileNotFoundError(f"Specified executable not found: {executable}")
+        if version:
+            install_base, _ = _get_unified_install_base_for_version(version)
         else:
-            _, install_loc = get_latest_ansys_installation()
-        self.solver_location = os.path.join(install_loc, "ansys", "bin", "winx64")
+            _, install_base = get_latest_ansys_installation()
+        solver_dir = Path(install_base) / "ansys" / "bin" / "winx64"
+        solver_exe = solver_dir / self._get_exe_name()
+        if not solver_exe.is_file():
+            raise FileNotFoundError(f"LS-DYNA executable not found: {solver_exe}")
+        self.solver_location = str(solver_dir)
+        self.solver = f'"{str(solver_exe)}"'
 
     def _get_env_script(self) -> str:
         """Get env script when running using lsrun from workbench."""
@@ -80,9 +94,6 @@ def _get_exe_name(self) -> str:
         }[(self.mpi_option, self.precision)]
         return exe_name
 
-    def _get_executable(self) -> str:
-        return os.path.join(self.solver_location, self._get_exe_name())
-
     def _write_runscript(self) -> None:
         with open(os.path.join(self.working_directory, self._scriptname), "w") as f:
             f.write(self._get_command_line())
@@ -108,19 +119,18 @@ def run(self) -> None:
     def _get_command_line(self) -> str:
         """Get the command line to run LS-DYNA."""
         script = f'call "{self._get_env_script()}"'
-        solver = f'"{self._get_executable()}"'
         ncpu = self.ncpu
         mem = self.get_memory_string()
         input_file = self.input_file
         if self.mpi_option == MpiOption.SMP:
-            command = f"{solver} i={input_file} ncpu={ncpu} memory={mem}"
+            command = f"{self.solver} i={input_file} ncpu={ncpu} memory={mem}"
         elif self.mpi_option == MpiOption.MPP_INTEL_MPI:
             # -wdir is used here because sometimes mpiexec does not pass its working directory
             # to dyna on windows when run from python subprocess
+            command = f'mpiexec -wdir "{self.working_directory}" -localonly -np {ncpu} {self.solver} i={input_file} memory={mem}'  # noqa:E501
+        elif self.mpi_option == MpiOption.MPP_MS_MPI:
             command = (
-                f'mpiexec -wdir "{self.working_directory}" -localonly -np {ncpu} {solver} i={input_file} memory={mem}'
+                f'mpiexec -wdir "{self.working_directory}" -c {ncpu} -aa {self.solver} i={input_file} memory={mem}'
             )
-        elif self.mpi_option == MpiOption.MPP_MS_MPI:
-            command = f'mpiexec -wdir "{self.working_directory}" -c {ncpu} -aa {solver} i={input_file} memory={mem}'
 
         return f"{script} && {command} > lsrun.out.txt 2>&1"