Right-side symmetric wing does not work for aerostructural analysis.

Description

Aerostructural analysis (both tubular and wingbox) does not work with right-side symmetric wings. Currently, only the aerodynamic analysis/optimization can handle right-side wings as fixed in PR #381 .

Most of the examples in OAS use left-side symmetric wing, therefore this bug does not affect most of the cases.
Exception is the OpenVSP-generated symmetric wings, which sit on the right-side plane (as reported in #396 )

Steps to reproduce issue

1. Copy any aerostructural example with a symmetric wing, and flip the mesh to obtain the right-side mesh:

mesh = mesh[:, ::-1, :]
mesh[:, :, 1] *= -1.0

2. Run aerostructural analysis with the flipped mesh.

Current behavior

Aerostructural solver fails.

Expected behavior

The right-side wing results should be the same as the original left-wing results.

Code versions

• Operating System:
• Python:
• OpenMPI:
• CGNS:
• PETSc:
• Compiler:
• This repository:

Start by copying an aerostructural example with a symmetric wing and reproduce the failure using the mesh flip shown in the issue. Trace the aerostructural solver's handling of right-side symmetric wings; done means both tubular and wingbox analyses run successfully and produce the same results as the original left-side case.