Finite element modeling and pyroshock response analysis of separation nuts

X Wang, Z Qin, J Ding, F Chu - Aerospace science and technology, 2017 - Elsevier
Separation nuts are widely used as release devices to fasten and separate substructures of
launching systems in aerospace applications. High shock transient response is generated …

Overview and application of FEM methods for shock analysis in space instruments

A García-Pérez, F Sorribes-Palmer, G Alonso… - Aerospace Science and …, 2018 - Elsevier
Spacecraft are subjected to severe mechanical loads, especially during the ascent phase of
the launch. Among several vibrational environments, shock loads, which are caused mainly …

Autonomous separation deployment dynamics of a space multi-rigid-body system with uncertain parameters

C Luo, J Sun, H Wen, D Jin - Mechanism and Machine Theory, 2023 - Elsevier
In this study, we investigate nonlinear dynamics of the autonomous separation deployment
maneuver for a space multi-rigid-body system with uncertain-but-bounded parameters by …

Separation and Release Devices for Aeronautical and Astronautical Systems: A Review

J Lee, JH Han - International Journal of Aeronautical and Space …, 2024 - Springer
This review presents an in-depth examination of the advancements, current state, and future
trends of separation and release devices in aeronautical and astronautical systems …

Finite element simulations of dynamic shear fracture of hollow shear pins

Z Jin, J Zhou, D Li - International Journal of Aerospace …, 2021 - Wiley Online Library
The shear pin structure is widely used in aeronautics and astronautics structures to deal with
emergency structure separation problems. The shear pin design has a strict restriction on …

Multidisciplinary Structural Optimization of Low-Pyroshock Separation Nuts for Aerospace

Y Wu, Y Lu, H Yang, Y Liu, M Zhou - Journal of Spacecraft and Rockets, 2023 - arc.aiaa.org
This paper presents a multidisciplinary structural optimization approach to design separation
nuts with low-level pyroshock responses for aerospace. A parametric modeling method is …

Uncertainty analysis and reliability estimation of clamp band joints

A Davar, R Azarafza, SS Mousavi - Materials Science and …, 2020 - Taylor & Francis
In this paper, a mathematical model is developed to estimate specifications of a clamp band
joint by taking into account full effects of the uncertainty of the joint parameters with a …

Design of point-type heavy load connection and low impact separation mechanism based on energy flow analysis

G Wang, Y Yao, J Wang, F Yang… - Advances in …, 2022 - journals.sagepub.com
In this paper, based on the development of the non-pyrotechnic low impact connection and
separation device for heavy load connection of large space vehicles, the design method of …

[PDF][PDF] Structural response under shock environment

Y Yan - 2020 - core.ac.uk
Shock severity measure is the main concern of this study, which is a key component in the
entire shock design and verification process. To simplify the research problem, this study …

Reliability assessment of structures of satellite and satellite carrier connected by clamp band

A Davar, R Azarafza, SS Mousavi - Aerospace Knowledge and …, 2023 - astjournal.ir
Uncertainties of the parameters cause the behavior of the systems to statistical distribution
and change from what is expected. Therefore, in complex and sensitive systems, such as …