Liquids are an intriguing state of condensed matter with a density close to that of the solid-state but with all atoms undergoing continuous diffusive motions, resulting in an absence of long-range structural order. Understanding the structural evolution of liquids under extreme conditions is import...

Exploring the structures and properties of halide perovskite under pressure have triggered great interest among scientists in recent years. However, there is still little understanding on the potential properties and applications of their amorphous phase under high pressure. In this paper, we utiliz...

The millimeter-size tetragonal PbTeO₃ single crystal was synthesized by hydrothermal method under saturated vapor pressure of water at 230 °C. Crystal structure, microscopic morphology, thermal stability and other properties of the sample were studied. The compression behavior of the tetragonal PbTe...

According to the requirements of target structure design and experimental data processing in multilayer target quasi-isentropic compression experiments, an interlayer transfer method for multilayer targets was proposed based on the backward integration method, the backward calculation of multilayer ...

In order to study the effect of strain rate (loading rate) and multi-walled carbon nanotubes (MWCNTs) content on the mechanical properties, energy evolution law and damage failure characteristics of MWCNTs-reinforced concrete samples, the RMT-150B rock mechanics test system was used to carry out a s...

To determine the mechanical properties and failure modes of ultra-high molecular weight polyethylene (UHMWPE) fiber composite laminates under static and dynamic compressive loading, a universal material testing machine (UTM) and a split Hopkinson pressure bar (SHPB) experimental system were used to ...

In this paper, the mechanical properties of glass fiber/epoxy vinyl ester resin (GF/epoxy VER) composite after hygrothermal aging were studied. The GF/epoxy VER composites laminates were fabricated by vacuum assisted injection molding technology. According to the stress characteristics of composite ...

To study the improvement mechanism of polyisocyanate oxazodone (POZD) on the blast resistance of steel plate, and analyze the dynamic response of steel/POZD composite structure, close-range air blast tests and finite element numerical simulations were conducted. Deformation failure modes of steel/PO...

Due to the low cost, high toughness and energy absorption characteristics of hybrid honeycomb structure under low velocity impact, an Al/carbon fiber reinforced plastics (CFRP)/hybrid honeycomb aluminum composite sandwich multilayer structure was designed. The kinetic energy of the projectile was su...

In this study, a novel type of the intorsion hierarchical honeycomb-like (IHH) structures was proposed based on the cell geometrical design. The out-of-plane mechanical behaviors and deformation characteristics were studied by numerical simulation, and the results were compared with that of ordinary...

In this paper, a slamming model of composite laminate is established based on the Euler-Lagrangian fluid-structure interaction method. The reliability of the numerical simulation method is verified through the comparison between numerical and experimental results. On this basis, a fluid-structure in...

The double-layer plate air-container set in the liquid-filled structure can effectively reduce the harm caused by the hydrodynamic ram. In order to study the influence mechanism of the spacing and position of the double-layer plate on the hydrodynamic ram process, the numerical simulation of project...

In order to study the influence of off-axis initiation on shaped charge jet, the finite element software LS-DYNA was used to simulate the jet forming and armor breaking process under different eccentricities (0.025D_k–0.125D_k, D_k is shaped charge diameter). The asymmetric collapse degree of the liner...

To study similar law of the fragmentation effect of penetrator with enhanced lateral effects (PELE) penetrating a metal target plate, breaking length of the PELE jacket and scattering radius of the fragments behind target are selected as two physical parameters to measure the fragmentation effect of...

For exploring the new technologies of hydrogen explosion prevention and the development of new barrier and explosion-proof materials, the effects of anti-magnetic aluminum wire and ferromagnetic nickel wire on premixed hydrogen-air explosion pressure were carried out. The CHEMKIN-PRO software was us...

The design of annular combustion chamber and pre-detonation tube of rotary detonation engines is the key factor affecting the ignition performance of the engines. In order to obtain the detonation initiation mechanism in an annular combustion chamber, the multi-frame short-time shutter-opening metho...

The initiation delay time seriously affects the efficiency of tunnel blasting excavation. It is of great significance to study the improvement of rock fragmentation effect and tunneling efficiency under the electronic detonator initiation condition via precise control blasting. The similarity model ...

To ensure the face stability of the super-large rectangular shield tunnel, based on a super-large rectangular shield tunnel, the theoretical analysis, numerical simulation and field monitoring are used to study the ultimate support force of the super-large rectangular shield tunnel crossing the high...