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Wall panel structure design optimization of a hexagonal satellite.

Reham Reda1, Yasmeen Ahmed1, Islam Magdy1

  • 1Department of Mechanical Engineering, Faculty of Engineering, Suez University, P.O.Box: 43221, Suez, Egypt.

Heliyon
|January 31, 2024
PubMed
Summary
This summary is machine-generated.

The isogrid structure, particularly with a 2mm rib width, offers superior mechanical and dynamic performance for satellite wall panels compared to honeycomb or solid designs. This optimized design ensures structural integrity at minimal weight.

Keywords:
Honeycomb structureIsogrid structureManufacturing and assessmentMechanical performanceSimulation and validationVibration behaviorWall panel structure

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Area of Science:

  • Materials Science
  • Aerospace Engineering
  • Structural Mechanics

Background:

  • Satellite wall panels require high strength, stiffness, and low weight.
  • Isogrid and honeycomb structures are leading candidates for satellite applications.
  • Evaluating novel designs is crucial for advancing satellite technology.

Purpose of the Study:

  • To investigate and compare the mechanical and dynamic performance of various satellite wall panel designs.
  • To identify the optimal isogrid structure configuration for satellite applications.
  • To validate the performance of the chosen design through experimental and simulation methods.

Main Methods:

  • Finite Element Analysis (FEA) using Ansys workbench for mechanical and dynamic simulations.
  • Experimental testing including compression, bending, and vibration analysis.
  • Comparative study of isogrid, honeycomb, and solid structures with varying parameters.

Main Results:

  • The isogrid structure with a 2mm rib width demonstrated the best overall mechanical and dynamic performance.
  • FEA results were consistent with experimental findings, validating the simulation accuracy.
  • Optimizing side length and incorporating skinning further enhanced performance and reduced mass.

Conclusions:

  • The optimized isogrid structure is the most suitable candidate for satellite wall panels.
  • The validated design ensures structural integrity and safe operation against vibrations.
  • The study successfully developed and assessed a satellite prototype utilizing the optimal wall panel design.