4.7 Article

Experimental and numerical study on the crashworthiness performance of a hybrid energy absorber with expanding-splitting-bending process

相关参考文献

注意:仅列出部分参考文献,下载原文获取全部文献信息。
Article Engineering, Manufacturing

A novel design method of the impact zone of a high-speed train

Hui Zhao et al.

Summary: This study introduced a novel design method of impact zone based on the concept of linear impact force, leading to an optimized design with smaller impact acceleration peak value, higher utilization efficiency of compression stroke, and more uniform distribution of crashing displacement.

INTERNATIONAL JOURNAL OF CRASHWORTHINESS (2022)

Article Mechanics

Splitting and curling performance of metal foam-filled circular tubes

Jianxun Zhang et al.

Summary: This paper uses analytical and experimental methods to study the deformation mechanisms of metal foam-filled circular tubes. The results show the deformation modes and force-displacement curves of the tubes, and an analytical model is established. The experimental and numerical results confirm the accuracy of the analytical model. The study also identifies factors such as the number of prefabricated cracks and the ratio of radius to wall thickness that affect the deformation behavior.

ACTA MECHANICA (2022)

Article Engineering, Manufacturing

Topology optimization for crashworthiness and structural design of a battery electric vehicle

Junyuan Zhang et al.

Summary: This study uses P5 as a prototype to conduct topology optimization and size optimization, improving the lightweight potential of EP5 while ensuring static stiffness and crashworthiness, and optimizing the front-end structure of the vehicle body.

INTERNATIONAL JOURNAL OF CRASHWORTHINESS (2021)

Article Mathematics, Applied

Low-velocity impact of rectangular foam-filled fiber metal laminate tubes

Jianxun Zhang et al.

Summary: This paper investigates the low-velocity impact of rectangular foam-filled fiber metal laminate (FML) tubes through theoretical analysis and finite element simulation. It provides simple analytical solutions for the dynamic response of these tubes and discusses the effects of metal volume fraction, metal layers, and foam strength on the dynamic response in detail. The accuracy of the analytical solutions and numerical results is confirmed through mutual validation.

APPLIED MATHEMATICS AND MECHANICS-ENGLISH EDITION (2021)

Article Computer Science, Interdisciplinary Applications

Hierarchical optimization of a novel vehicle door system under side impact based on integrated weighting method

Weiwei Wang et al.

Summary: This study introduces a novel door system that incorporates a negative Poisson's ratio structure for improved side crashworthiness and occupant protection. By conducting parameter sensitivity analysis and using a novel integrated weighting method, hierarchical optimization is performed to enhance overall performance in side structural crashworthiness, occupant protection, and lightweight design. The optimal door system demonstrates improved occupant protection and side crashworthiness compared to conventional doors.

STRUCTURAL AND MULTIDISCIPLINARY OPTIMIZATION (2021)

Article Engineering, Civil

Axial compression behaviour of thin-walled metallic tubes under quasi-static and dynamic loading

S. K. Tak et al.

Summary: The finite element computations were used to study the axial compression behavior of thin-walled metallic tubes under quasi-static and dynamic loading conditions in this research. Different geometric shapes of tubes demonstrate varied energy absorption and deformation characteristics under different loading conditions.

THIN-WALLED STRUCTURES (2021)

Article Engineering, Civil

Splitting and curling collapse of metal foam core square sandwich metal tubes: Experimental and theoretical investigations

Jianxun Zhang et al.

Summary: The study investigates axial splitting and curling collapse of square sandwich metal tubes with metal foam core through both theoretical analysis and experimental tests. The analytical model takes into account factors such as plastic bending, crack tearing, curling, foam compression, and friction. The results show good agreement between analytical predictions and experimental findings, while highlighting the importance of foam thickness, tube thickness, die angle, prefabricated crack length, and foam strength on the axial splitting and curling behavior of the square sandwich metal tube.

THIN-WALLED STRUCTURES (2021)

Article Engineering, Civil

Dynamic collapse of circular metal foam core sandwich tubes in splitting and curling mode

Jianxun Zhang et al.

Summary: This paper investigates the dynamic collapse of circular metal foam core sandwich tubes in splitting and curling mode subjected to low-velocity impact. Experimental observations show various deformation modes and the tendency of the number of strips in the sandwich tube to develop from the number of prefabricated cracks to the number of steady strips. The study also establishes a method for predicting the number of steady cracks in the sandwich tubes based on the principle of minimum energy.

THIN-WALLED STRUCTURES (2021)

Article Engineering, Civil

Thermo-mechanical coupling analysis of expansion tubes: Theoretical prediction and experimental investigation

Bowen Tan et al.

Summary: This study investigates the thermal effect on thick-walled expansion tubes in high-speed trains, proposing a modified theoretical model and thermal reduction coefficient for higher accuracy in design evaluation. The results show that the thermal reduction coefficient is mainly affected by the geometrical structure, material properties, and ambient temperature, providing a better understanding of the temperature effect on expansion tubes.

THIN-WALLED STRUCTURES (2021)

Article Ergonomics

Validation of surrogate measures of safety with a focus on bicyclist ? motor vehicle interactions

Carl Johnsson et al.

Summary: This study focused on the validity of two commonly used surrogate measures of safety indicators - minimum time to collision and post-encroachment time, particularly in bicyclist-motor vehicle interactions. The research found that when considering the number of interactions, the minimum time to collision with a threshold of 3-4 seconds produces the best results in terms of safety evaluations.

ACCIDENT ANALYSIS AND PREVENTION (2021)

Article Ergonomics

Integration of automated vehicles in mixed traffic: Evaluating changes in performance of following human-driven vehicles

Iman Mahdinia et al.

Summary: The study analyzes the impact of AVs on the behavior of human drivers in mixed traffic streams, finding that AVs can induce positive behavioral changes in conventional drivers, leading to improved safety and environmental effects. Drivers following an AV exhibit lower driving volatility in terms of speed and acceleration, resulting in more stable traffic flow behavior and reduced crash risk.

ACCIDENT ANALYSIS AND PREVENTION (2021)

Article Engineering, Mechanical

Mechanical performance of bio-inspired corrugated tubes with varying vertex configurations

Wen Ma et al.

INTERNATIONAL JOURNAL OF MECHANICAL SCIENCES (2020)

Article Mechanics

On axial splitting and curling behaviour of circular sandwich metal tubes with metal foam core

Jianxun Zhang et al.

INTERNATIONAL JOURNAL OF SOLIDS AND STRUCTURES (2020)

Article Engineering, Mechanical

A novel method for enhancing the energy absorption characteristics of circular tubular structures under axial splitting

Jafar Rouzegar et al.

PROCEEDINGS OF THE INSTITUTION OF MECHANICAL ENGINEERS PART D-JOURNAL OF AUTOMOBILE ENGINEERING (2018)

Article Engineering, Mechanical

Experimental and numerical investigations on the energy absorption of shrink circular tube under quasi-static loading

Jian Li et al.

INTERNATIONAL JOURNAL OF MECHANICAL SCIENCES (2018)

Article Engineering, Civil

Scale similitude rules with acceleration consistency for trains collision

Yao Yu et al.

PROCEEDINGS OF THE INSTITUTION OF MECHANICAL ENGINEERS PART F-JOURNAL OF RAIL AND RAPID TRANSIT (2018)

Article Computer Science, Interdisciplinary Applications

Crashworthiness optimisation of a composite energy-absorbing structure for subway vehicles based on hybrid particle swarm optimisation

Suchao Xie et al.

STRUCTURAL AND MULTIDISCIPLINARY OPTIMIZATION (2018)

Article Engineering, Civil

Axial splitting of conical frusta: Experimental and numerical study and crashworthiness optimization

Seyed Mohammad Elahi et al.

THIN-WALLED STRUCTURES (2018)

Article Engineering, Mechanical

Quasi-static and dynamic testing of splitting, expansion and expansion splitting hybrid tubes under oblique loading

C. Moreno et al.

INTERNATIONAL JOURNAL OF IMPACT ENGINEERING (2017)

Article Engineering, Mechanical

An improved two-arcs deformational theoretical model of the expansion tubes

YuZhe Liu et al.

INTERNATIONAL JOURNAL OF MECHANICAL SCIENCES (2017)

Article Engineering, Mechanical

Testing, simulation and evaluation of a novel hybrid energy absorber

C. Moreno et al.

INTERNATIONAL JOURNAL OF IMPACT ENGINEERING (2016)

Article Engineering, Mechanical

Theoretical prediction and numerical studies of expanding circular tubes as energy absorbers

Jiali Yan et al.

INTERNATIONAL JOURNAL OF MECHANICAL SCIENCES (2016)

Article Engineering, Civil

Axial splitting of empty and foam-filled circular composite tubes - An experimental study

B. Rezaei et al.

ARCHIVES OF CIVIL AND MECHANICAL ENGINEERING (2015)

Article Engineering, Civil

Experimental investigations of the shrinking-splitting tube collision energy absorber

J. Tanaskovic et al.

THIN-WALLED STRUCTURES (2015)

Article Engineering, Multidisciplinary

Impact characteristics of a composite energy absorbing bearing structure for railway vehicles

Suchao Xie et al.

COMPOSITES PART B-ENGINEERING (2014)

Article Engineering, Civil

Empty circular metal tubes in the splitting process - theoretical and experimental studies

Abbas Niknejad et al.

THIN-WALLED STRUCTURES (2013)

Article Engineering, Mechanical

Numerical and theoretical studies on energy absorption of three-panel angle elements

Xiong Zhang et al.

INTERNATIONAL JOURNAL OF IMPACT ENGINEERING (2012)

Article Materials Science, Multidisciplinary

Theoretical and experimental studies of the external inversion process in the circular metal tubes

Abbas Niknejad et al.

MATERIALS & DESIGN (2012)

Article Engineering, Civil

Axial crushing of thin-walled structures with origami patterns

Jie Song et al.

THIN-WALLED STRUCTURES (2012)

Article Engineering, Mechanical

Collapse of square metal tubes in splitting and curling mode

X Huang et al.

PROCEEDINGS OF THE INSTITUTION OF MECHANICAL ENGINEERS PART C-JOURNAL OF MECHANICAL ENGINEERING SCIENCE (2006)

Article Engineering, Mechanical

On the axial splitting and curling of circular metal tubes

X Huang et al.

INTERNATIONAL JOURNAL OF MECHANICAL SCIENCES (2002)