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Multi-objective design optimization of composite submerged cylindrical pressure hull for minimum buoyancy factor and maximum buckling load capacity

期刊: DEFENCE TECHNOLOGY, 2021; 17 (4)

This paper presents the design optimization of composite submersible cylindrical pressure hull subjected to 3 MPa hydrostatic pressure. The design opt......

Investigation on the process parameters of TIG-welded aluminum alloy through mechanical and microstructural characterization

期刊: DEFENCE TECHNOLOGY, 2021; 17 (4)

Multi-pass TIG welding was conducted on plates (15 x 300 x 180 mm(3)) of aluminum alloy Al-5083 that usually serves as the component material in struc......

Numerical and experimental study on the response characteristics of warhead in the fast cook-off process

期刊: DEFENCE TECHNOLOGY, 2021; 17 (4)

The response characteristics of the warhead under thermal stimuli conditions are important to the safety improvement. The goal of this study is to obt......

Adaptive control of track tension estimation using radial basis function neural network

期刊: DEFENCE TECHNOLOGY, 2021; 17 (4)

Track tension is a major factor influencing the reliability of a track. In order to reduce the risk of track peel-off, it is necessary to keep track t......

Experimental investigation on anti-penetration performance of polyurea-coated ASTM1045 steel plate subjected to projectile impact

期刊: DEFENCE TECHNOLOGY, 2021; 17 (4)

In this study, the anti-penetration performance of polyurea/ASTM1405-steel composite plate subjected to high velocity projectile was analyzed. Two kin......

The deformation and failure mechanism of cylindrical shell and square plate with pre-formed holes under blast loading

期刊: DEFENCE TECHNOLOGY, 2021; 17 (4)

The deformation and failure mechanism of cylindrical shells and square plate with pre-formed holes under blast loading were investigated numerically b......

Influences of different crossing types on dynamic response of underground cavern subjected to ground shock

期刊: DEFENCE TECHNOLOGY, 2021; 17 (4)

An intersecting cavern is a common structural form used in underground engineering, and its safety and stability performance directly control the serv......

Adaptive subspace detection based on two-step dimension reduction in the underwater waveguide

期刊: DEFENCE TECHNOLOGY, 2021; 17 (4)

In the underwater waveguide, the conventional adaptive subspace detector (ASD), derived by using the generalized likelihood ratio test (GLRT) theory, ......

Fuzzy recognition of missile borne multi-line array infrared detection based on size calculating

期刊: DEFENCE TECHNOLOGY, 2021; 17 (4)

In order to improve the infrared detection and discrimination ability of the smart munition to the dynamic armor target under the complex background, ......

Rigid elliptical cross-section ogive-nose projectiles penetration into concrete targets

期刊: DEFENCE TECHNOLOGY, 2021; 17 (3)

The elliptical cross-section ogive-nose projectile (ECOP) has recently attracted attention because it is well suited to the flattened shape of earth-p......

Supercritical carbon dioxide as a new working medium for pneumatic launch: A theoretical study

期刊: DEFENCE TECHNOLOGY, 2021; 17 (4)

Compared with the conventionally gaseous or liquid working media, the specific internal energy of supercritical carbon dioxide (SCD) is higher at the ......

Numerical research on adverse effect of muzzle flow formed by muzzle brake considering secondary combustion

期刊: DEFENCE TECHNOLOGY, 2021; 17 (4)

The simulation of the artillery interior and intermediate ballistics problem is performed to investigate the influence of a gas dynamics device, muzzl......

Barrier Lyapunov functions-based dynamic surface control with tracking error constraints for ammunition manipulator electro-hydraulic system

期刊: DEFENCE TECHNOLOGY, 2021; 17 (3)

This paper focuses on the dynamic tracking control of ammunition manipulator system. A standard state space model for the ammunition manipulator elect......

Simulation on the dynamic stability derivatives of battle-structure-damaged aircrafts

期刊: DEFENCE TECHNOLOGY, 2021; 17 (3)

Accurately evaluating the aerodynamic performance of a battle-structure-damaged aircraft is essential to enable the pilot to optimize the flight contr......

Irreversible demagnetization mechanism of permanent magnets during electromagnetic buffering

期刊: DEFENCE TECHNOLOGY, 2021; 17 (3)

The permanent magnets will be irreversibly demagnetized under high temperature and high velocity during the electromagnetic buffering. In this study, ......

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