Changed default FEA Mesh parameters in the "Wing Structure" within the "Geom" menu in OpenVSP 2.3.0 so that the GUI will reflect the new parameters:

FeaMeshMgr.cpp: m_DefElemSize = 2.0; (default = 0.5)
GridDesnity.cpp: m_MinLen = 0.5; (default = 0.1)

These will show up in the GUI