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関連する概念動画

Morphogenesis02:19

Morphogenesis

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Plant morphogenesis—the development of a plant’s form and structure—involves several overlapping developmental processes, including growth and cell differentiation. Precursor cells differentiate into specific cell types, which are organized into the tissues and organ systems that make up the functional plant.
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Deformations in a Transverse Cross Section01:21

Deformations in a Transverse Cross Section

667
When a material is subjected to uniaxial stress, it elongates or contracts in the direction of the applied force, and also undergoes changes in the perpendicular directions. This behavior is crucial for understanding how materials behave under stress and is governed by mechanical properties such as Poisson's ratio v, which measures the ratio of transverse strain to axial strain.
As the material stretches, it expands or contracts in orthogonal directions to the load. This phenomenon varies...
667
Mesh Analysis01:20

Mesh Analysis

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Mesh analysis is a valuable method for simplifying circuit analysis using mesh currents as key circuit variables. Unlike nodal analysis, which focuses on determining unknown voltages, mesh analysis applies Kirchhoff's voltage law (KVL) to find unknown currents within a circuit. This method is particularly convenient in reducing the number of simultaneous equations that need to be solved.
A fundamental concept in mesh analysis is the definition of meshes and mesh currents. A mesh is a closed...
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Plastic Deformations of Members with a Single Plane of Symmetry01:21

Plastic Deformations of Members with a Single Plane of Symmetry

392
When a structural member undergoes plastic deformation due to bending, it is crucial to understand the position of the neutral axis and the stress distribution. This member, characterized by a single plane of symmetry, exhibits a uniform stress distribution, with negative stress above the neutral axis and positive stress below. Notably, the neutral axis does not align with the centroid of the cross-section. This misalignment is typical in cases where the cross-section is not rectangular or...
392
Bone Remodeling01:40

Bone Remodeling

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Bone remodeling is a continuous and balanced process of bone resorption by osteoclasts and bone formation by osteoblasts. In adults, it helps maintain bone mass and calcium homeostasis. While mechanical stress can stimulate turnover as part of the normal maintenance and reparative process, several hormones also regulate bone remodeling.
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Plastic Deformations01:14

Plastic Deformations

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It is essential to understand how structural members behave under plastic deformation when the bending stress exceeds the material's yield strength. This state of deformation permanently alters the shape of the member, in contrast to the linear elastic behavior observed before yielding. The strain at any point in the member is expressed in terms of maximum strain. Notably, the neutral axis, which coincides with the centroid during elastic bending, shifts away from the centroid under plastic...
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関連する実験動画

Updated: Feb 21, 2026

Creating Objects and Object Categories for Studying Perception and Perceptual Learning
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Creating Objects and Object Categories for Studying Perception and Perceptual Learning

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構造設計のためのギガヴォクセル計算形態生成

Niels Aage1,2, Erik Andreassen1, Boyan S Lazarov1

  • 1Department of Mechanical Engineering, Technical University of Denmark, Nils Koppels Allé, Building 404, 2800 Kongens Lyngby, Denmark.

Nature
|October 6, 2017
PubMed
まとめ
この要約は機械生成です。

新しいスーパーコンピュータツールは 計算上の形態変異のためのギガヴォクセル解像度を可能にし,重量と燃料を大幅に節約するために,飛行機の翼のような複雑な設計における材料の分布を最適化します.

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Voxel Printing Anatomy: Design and Fabrication of Realistic, Presurgical Planning Models through Bitmap Printing
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Three and Four-Dimensional Visualization and Analysis Approaches to Study Vertebrate Axial Elongation and Segmentation
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Three and Four-Dimensional Visualization and Analysis Approaches to Study Vertebrate Axial Elongation and Segmentation

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関連する実験動画

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Voxel Printing Anatomy: Design and Fabrication of Realistic, Presurgical Planning Models through Bitmap Printing
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科学分野:

  • 計算工学
  • 材料科学
  • バイオミメティック

背景:

  • 伝統的な機械設計は直感とコンピュータ・アイド・デザイン (CAD) に依存しています
  • トポロジーの最適化は,設計の自由を提供しますが,複雑な構造の解像度によって制限されます.
  • 既存のモデリングと最適化フレームワークのスケーリングは大きな課題です.

研究 の 目的:

  • 高解像度コンピューティング形態生成ツールを開発し,高度な材料の配布を行う.
  • 現在のトポロジーの最適化方法の解像度の制限を克服する.
  • 複雑な産業用製品の設計における ツールの適用性を実証する.

主な方法:

  • スーパーコンピュータでの計算形態生成ツールの実装.
  • ギガヴォクセルの解像度を達成し,以前の方法を大幅に上回る.
  • 飛行機の翼の内部構造を設計するためのツールの適用

主要な成果:

  • このツールは,メートルからミリメートルまで,前例のない構造的な細部を持つデザインを生み出しました.
  • 最適化された飛行機の翼の設計は 自然な骨の構造と 驚くべき類似性を示しました
  • 飛行機の翼の質量が2~5%減少し,燃料を大幅に節約する.

結論:

  • ギガヴォクセルの解像度での 計算による形質変異は 最適な材料配分の 新しい可能性を開きます
  • 開発されたツールは,機械設計,フローシステム,およびマイクロシステムを含む様々な分野で広く適用可能です.
  • バイオミメティック・デザインの原理は コンピュータによる 改良工学ソリューションで実現できます