A hybrid symmetry–PSO approach to finding the self-equilibrium configurations of prestressable pin-jointed assemblies

Y Chen, J Yan, J Feng, P Sareh - Acta Mechanica, 2020 - Springer
For pin-jointed assemblies with many members or self-stress states, the form-finding
problem using conventional methods generally involves considerable computational …

Generalized eigenvalue analysis of symmetric prestressed structures using group theory

Y Chen, J Feng - Journal of Computing in Civil Engineering, 2012 - ascelibrary.org
As conventional approaches for calculating natural frequencies do not make full use of the
inherent symmetry of a structure, the rising degree of freedoms often leads to significant …

Progressive collapse resistance of cable net structures

A Vaezzadeh, KM Dolatshahi - Journal of Constructional Steel Research, 2022 - Elsevier
This study investigates the collapse resistance of the cable net structures. Compared to
conventional structures, the analysis of the cable net structures is rather complicated due to …

Time-dependent analysis of cable nets using a modified nonlinear force-density method and creep theory

S Kmet, M Mojdis - Computers & Structures, 2015 - Elsevier
The stiffness of cable nets is conditioned by their states of prestress. The decrease of
prestress due to creep of cables determines the serviceability and load bearing capacity of …

Efficient method for Moore-Penrose inverse problems involving symmetric structures based on group theory

Y Chen, J Feng - Journal of Computing in Civil Engineering, 2014 - ascelibrary.org
Abstract The Moore-Penrose inverse has many applications in civil engineering, such as
structural control, nonlinear buckling, and form-finding. However, solving the generalized …

Stiffness degradation of prestressed cable-strut structures observed from variations of lower frequencies

Y Chen, Q Sun, J Feng - Acta Mechanica, 2018 - Springer
A great attraction of prestressed cable-strut structures is that the initial prestresses can
guarantee the structural stability. However, increasing the prestress level of these structures …

Three-dimensional nonlinear dynamic analysis of slack cable structures using node Relaxation method

A Vaezzadeh, M Ahmadizadeh, KM Dolatshahi - Structures, 2021 - Elsevier
This study proposes a robust technique for large displacement analysis of slack cable
structures subjected to dynamic loadings using a novel method, entitled Node Relaxation …

Wave-based transfer matrix method for dynamic response of large net structures

X Xu, S Zuo, K Zhang, G Hu - Journal of Sound and Vibration, 2018 - Elsevier
Wave-based method for dynamic responses of net structures can provide analytic out-of-
plane responses in full frequency range, helping to avoid the problem of control spillover …

Numerical approach for detecting bifurcation points of the compatibility paths of symmetric deployable structures

Y Chen, J Feng, Z Ren - Mechanics Research Communications, 2016 - Elsevier
New internal mechanisms of a deployable structure could be generated, when the structure
undergoes significant transformations along its compatibility path. Because of such kind of …

Group-theoretic method for efficient buckling analysis of prestressed space structures

Y Chen, J Feng - Acta Mechanica, 2015 - Springer
An efficient group-theoretic method is proposed for the buckling analysis of symmetric
prestressed space structures. Tangent stiffness matrices and geometric stiffness matrices of …