Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Concept Videos

Design of Prismatic Beams for Bending01:23

Design of Prismatic Beams for Bending

370
The design of prismatic beams, structural elements with a uniform cross-section, focuses on ensuring safety and structural integrity under load. The design process begins by determining the allowable stress, either from material properties tables, or by dividing the material's ultimate strength by a safety factor. This safety factor is essential for accommodating uncertainties, and varies depending on the material—timber, steel, or concrete—with each having unique strength and...
370
Unsymmetric Loading of Thin-Walled Members: Problem Solving01:07

Unsymmetric Loading of Thin-Walled Members: Problem Solving

165
The shear center of a channel section with uniform thickness, height, and width, is determined by computing the shear force in the member and calculating the moments of inertia of the sections.
To compute the shear forces, find the shear flow at a specific distance from the endpoint using the vertical shear and the moment of inertia values. The total shear force on the flange is calculated by integrating the shear flow from one end of the flange to the other.
Next, calculate the moments of...
165
Thin-Walled Hollow Shafts01:15

Thin-Walled Hollow Shafts

238
In analyzing a thin-walled hollow shaft subjected to torsional loading, a segment with width dx is isolated for examination. Despite its equilibrium state, this segment faces torsional shearing forces at its ends. These forces are quantitatively described by the product of the longitudinal shearing stress on the segment's minor surface and the area of this surface, leading to the concept of shear flow. This shear flow is consistent throughout the structure, indicating a uniform distribution...
238

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same author

Semi-Implantable Micro-Cooler for Dorsal Root Ganglion Enables Targeted, Sustained, and Cumulative Pain Relief.

IEEE transactions on neural systems and rehabilitation engineering : a publication of the IEEE Engineering in Medicine and Biology Society·2026
Same author

Inhibition of Pain Signal Conduction in Dorsal Root Ganglion Neurons by Optogenetic Technique Mediated with Upconversion Nanoparticles.

ACS nano·2026
Same author

Precise delineation of glioma margins in hyperspectral images using cross-channel spectral feature fusion.

Biomedical optics express·2026
Same author

Hippocampal interictal spikes disrupt theta-band hippocampal-frontal eye field connectivity: fixation skewness as an indicator of transient network instability.

Epilepsy & behavior : E&B·2026
Same author

Lateralized neural and oculomotor alterations in temporal lobe epilepsy: A combined eye-tracking and event-related potential study.

Seizure·2026
Same author

Distinct and coordinated contributions of hippocampus and frontal eye field to novelty exploration and revisitation.

NeuroImage·2026

Related Experiment Video

Updated: Sep 11, 2025

Negative Additive Manufacturing of Complex Shaped Boron Carbides
06:45

Negative Additive Manufacturing of Complex Shaped Boron Carbides

Published on: September 18, 2018

8.7K

Design method for bionic topology optimization of high-specific-stiffness mirrors based on additive manufacturing.

Wencong Chen, Siyuan Li, Lijun Sun

    Applied Optics
    |August 12, 2025
    PubMed
    Summary

    This study introduces a novel bionic topology optimization method for space optical mirrors, enhancing stiffness using additive manufacturing. The new design significantly boosts natural frequencies compared to traditional mirrors.

    More Related Videos

    Indirect Fabrication of Lattice Metals with Thin Sections Using Centrifugal Casting
    08:32

    Indirect Fabrication of Lattice Metals with Thin Sections Using Centrifugal Casting

    Published on: May 14, 2016

    12.6K
    Microfabrication of Implantable Optics Integrated in a Microstructured Imaging Window for Advanced In Vivo Imaging
    07:14

    Microfabrication of Implantable Optics Integrated in a Microstructured Imaging Window for Advanced In Vivo Imaging

    Published on: April 11, 2025

    765

    Related Experiment Videos

    Last Updated: Sep 11, 2025

    Negative Additive Manufacturing of Complex Shaped Boron Carbides
    06:45

    Negative Additive Manufacturing of Complex Shaped Boron Carbides

    Published on: September 18, 2018

    8.7K
    Indirect Fabrication of Lattice Metals with Thin Sections Using Centrifugal Casting
    08:32

    Indirect Fabrication of Lattice Metals with Thin Sections Using Centrifugal Casting

    Published on: May 14, 2016

    12.6K
    Microfabrication of Implantable Optics Integrated in a Microstructured Imaging Window for Advanced In Vivo Imaging
    07:14

    Microfabrication of Implantable Optics Integrated in a Microstructured Imaging Window for Advanced In Vivo Imaging

    Published on: April 11, 2025

    765

    Area of Science:

    • Materials Science
    • Mechanical Engineering
    • Aerospace Engineering

    Background:

    • Space optical mirrors require high specific stiffness for demanding applications.
    • Traditional mirror designs face limitations in achieving optimal stiffness-to-weight ratios.
    • Additive manufacturing offers new possibilities for complex structural designs.

    Purpose of the Study:

    • To propose and validate a bionic topology optimization design method for space optical mirrors.
    • To leverage additive manufacturing for fabricating optimized mirror structures.
    • To enhance the specific stiffness and natural frequencies of space optical mirrors.

    Main Methods:

    • Utilizing a Voronoi structure bionic topology optimization approach.
    • Conducting optimal design and analysis of mirror structures.
    • Fabricating mirror blanks using selective laser melting (SLM) technology.
    • Performing modal testing to evaluate structural dynamics.

    Main Results:

    • The bionic topology optimization method successfully designed novel mirror structures.
    • Selective Laser Melting (SLM) enabled the fabrication of complex, optimized mirror blanks.
    • Modal testing showed significant increases in first-order natural frequencies: 31.78% and 60.20% for the two designs.
    • The optimized mirrors achieved superior stiffness-to-weight ratios compared to traditional designs.

    Conclusions:

    • The proposed bionic topology optimization method is effective for designing high-specific stiffness space optical mirrors.
    • Additive manufacturing, specifically SLM, is a viable fabrication technique for these optimized structures.
    • This approach offers a novel and advantageous design strategy for future space optical mirror development.