Composite, sandwich and functionally graded materials are frequently utilized for different
applications. Thus, numerous optimization studies have been conducted on structures made …

Isogeometric analysis (IGA), an approach that integrates CAE into conventional CAD design
tools, has been used in structural optimization for 10 years, with plenty of excellent research …

A bio-inspired concept of non-uniform curved grid-stiffened composite structures with
embedded stiffeners (embedded NCGCs) is proposed in the paper. Shallow curved …

The structural efficiency of stiffened panels can be significantly improved by utilizing
curvilinear stiffeners because of their outstanding design flexibility. However, the explosion …

The functional advantages of tailored stiffness, often seen in nature, are also utilized in
composite structures. Advancements in the multiaxis tow placement and automated fiber …

Variable-stiffness panel with curvilinear fibers is a promising structural concept compared to
constant-stiffness designs. However, for the traditional finite element analysis (FEA), there is …

Thin-walled shell structures are widely used in aeronautical and aerospace engineering.
This paper develops an effective B-spline parameterization method for stiffener layout …

This paper focuses on a systematic isogeometric design approach for the optimal petal form
and size characterization of tetra-petals auxetics, considering both plane stress and plane …

In this paper, optimum designs of a tow-steered composite fuselage skin stiffened by a grid
of curvilinear composite stiffeners are obtained for minimum weight subject to buckling and …

Abstract The Worst Multiple Perturbation Load Approach (WMPLA) has been validated by
full-scale tests to be an effective and credible determination method for the lower-bound …