[HTML][HTML] Singularities for timelike developable surfaces in Minkowski 3-Space

Y Li, Z Chen, SH Nazra, RA Abdel-Baky - Symmetry, 2023 - mdpi.com
In this paper, we consider the singularities and geometrical properties of timelike
developable surfaces with Bishop frame in Minkowski 3-space. Taking advantage of the …

[HTML][HTML] Spacelike circular surfaces in Minkowski 3-space

Y Li, MT Aldossary, RA Abdel-Baky - Symmetry, 2023 - mdpi.com
The approach of the paper is on spacelike circular surfaces in the Minkowski 3-space. A
spacelike circular surface is a one-parameter family of Lorentzian circles with a fixed radius …

On the curvatures of timelike circular surfaces in Lorentz-Minkowski space

Q Li, Z Yang, RA Abdel-Baky, MK Saad… - Available at SSRN …, 2023 - papers.ssrn.com
In this paper, using the classical methods of differential geometry, we define invariants of
timelike circular surfaces in Lorentz-Minkowski space R31, called curvature functions, and …

[HTML][HTML] Singularity properties of spacelike circular surfaces

AA Almoneef, RA Abdel-Baky - Symmetry, 2023 - mdpi.com
The aim of the paper is on spacelike circular surfaces and singularities in Minkowski 3-
space E 1 3. A spacelike circular surface with a stationary radius can be swept out by …

Singularity properties of timelike circular surfaces in Minkowski 3-space

AA Almoneef, RA Abdel-Baky - International Journal of …, 2023 - ui.adsabs.harvard.edu
The approach of the study is on singularity properties of timelike circular surfaces in
Minkowski 3-space. A timelike circular surface is a one-parameter set of Lorentzian circles …

[PDF][PDF] 变胞折块机构: 圆柱体/圆锥体切割链接而成的变胞折块机构设计与运动学分析

贾广鲁, 李兵, 戴建生 - 机械工程学报, 2023 - qikan.cmes.org
折纸是一种将纸折叠使其具有良好折叠效果的艺术. 为了使其能够应用于机器人与机构学领域,
学者们相继提出了厚板折纸机构的设计技术, 使折纸可以广泛应用于折展机构与可重构机构的 …

[PDF][PDF] Metamorphic Oriblocks: Design and Kinematic Analysis of Metamorphic Oriblocks Constructed by Cutting and Linking Cylinders/Cones

贾广鲁, 李兵, 戴建生 - Journal of Mechanical Engineering, 2023 - qikan.cmes.org
Origami is the art of folding paper to make it have an excellent folding effect. In order to apply
it to the field of robotics and mechanisms, researchers have successively proposed design …

[HTML][HTML] On the Timelike Circular Surface and Singularities in Minkowski 3-Space

AA Almoneef, RA Abdel-Baky - Axioms, 2023 - mdpi.com
In this paper, we have parameterized a timelike (T like) circular surface (CI surface) and
have obtained its geometric properties, including striction curves, singularities, Gaussian …

[PDF][PDF] Spacelike Circular Surfaces in Minkowski 3-Space. Symmetry 2023, 15, 173

Y Li, MT Aldossary, RA Abdel-Baky - 2023 - academia.edu
The approach of the paper is on spacelike circular surfaces in the Minkowski 3-space. A
spacelike circular surface is a one-parameter family of Lorentzian circles with a fixed radius …