|
|
|
|
|
|
|
EXAMPLE 7, Slide 1: Optimization by GENOPT of an axially compressed cylindrical shell with a composite truss-core sandwich wall |
|
EXAMPLE 7, Slide 2: Configuration and decision variables for typical composite truss-core sandwich wall |
|
EXAMPLE 7, Slide 3: Part of a model of the truss-core sandwich wall of the cylindrical shell used for the analysis of general buckling |
|
EXAMPLE 7, Slide4: General buckling of an optimized axially compressed truss-core sandwich cylindrical shell |
|
EXAMPLE 7, Slide 5: Single module of the local buckling model of the axially compressed truss-core sandwich cylindrical shell |
|
|
|
|
|
|
|
|
|
EXAMPLE 7, Slide 6: Local buckling of part of an axially compressed cylindrical shell with a truss-core sandwich wall construction |
|
EXAMPLE 7, Slide 7: Behaviors, design margins, and weight/area of a GENOPT-optimized, axially compressed, composite, truss-core sandwich cylinder |
|
EXAMPLE 7, Slide 8: Part of a STAGS model of an axially compressed optimized cylindrical shell with a truss-core sandwich wall |
|
EXAMPLE 7, Slide 9: Local buckling of part of the axially compressed optimized cylinder from the STAGS model of the type displayed one slide ago |
|
EXAMPLE 8, Slide 1: Optimization of double-walled spherical and cylindrical "balloons" |
|
|
|
|
|
|
|
|
|
EXAMPLE 8, Slide 2: Double-walled optimized spherical balloon with 15 modules with radial webs over 90 degrees of meridian |
|
EXAMPLE 8, Slide 3: Double-walled optimized spherical balloon with 15 modules of truss-like (slanted) webs over 90 degrees of meridian |
|
EXAMPLE 8, Slide 4: Local buckling of optimized double-walled spherical balloon with 8 truss-like modules over 90 degrees of meridian |
|
EXAMPLE 8, Slide 5: Optimized weights of spherical balloons made of polyethelene terephthalate versus the number of modules over 90 meridional degrees |
|
EXAMPLE 8, Slide 6: Local buckling of optimized spherical balloon made of polyethylene terephthalate; 35 truss-like modules over 90 meridional degrees |
|
|