Results 61 to 70 of about 273,375 (330)

Multimodal Mechanical Testing of Additively Manufactured Ti6Al4V Lattice Structures: Compression, Bending, and Fatigue

Advanced Engineering Materials, EarlyView.
In this experimental study, the mechanical properties of additively manufactured Ti‐6Al‐4V lattice structures of different geometries are characterized using compression, four point bending and fatigue testing. While TPMS designs show superior fatigue resistance, SplitP and Honeycomb lattice structures combine high stiffness and strength. The resulting
Klaus Burkart, Jonas Schmidt, Anastasiya Toenjes, Johanna Eisenträger   +3 more
wiley   +1 more source

Properties of the forgotten index in bipolar fuzzy graphs and applications

Scientific Reports
Topological indices are the numbers that remain constant under graph automorphism. Topological indices describe a network’s connectivity, structure, and topological characteristics. These indices have many applications in crisp graphs.
Shaikh Ibrahim Abdullah, Sovan Samanta, Kajal De, Antonios Kalampakas, Jeong Gon Lee, Tofigh Allahviranloo   +5 more
doaj   +1 more source

Hosoya and Harary Polynomials of TOX(n),RTOX(n),TSL(n) and RTSL(n)

Discrete Dynamics in Nature and Society, 2019
In the fields of chemical graph theory, topological index is a type of a molecular descriptor that is calculated based on the graph of a chemical compound.
Lian Chen, Abid Mehboob, Haseeb Ahmad, Waqas Nazeer, Muhammad Hussain, M. Reza Farahani   +5 more
doaj   +1 more source

On the Computation of Some Topological Descriptors to Find Closed Formulas for Certain Chemical Graphs

Journal of Chemistry, 2021
In this research paper, we will compute the topological indices (degree based) such as the ordinary generalized geometric-arithmetic (OGA) index, first and second Gourava indices, first and second hyper-Gourava indices, general Randic´ index RγG,for γ=±1,
Muhammad Haroon Aftab, Muhammad Rafaqat, M. Hussain, Tariq Zia   +3 more
doaj   +1 more source

Degree-Based Graph Entropy in Structure–Property Modeling

Entropy, 2023
Graph entropy plays an essential role in interpreting the structural information and complexity measure of a network. Let G be a graph of order n. Suppose dG(vi) is degree of the vertex vi for each i=1,2,…,n.
Sourav Mondal, Kinkar Chandra Das
doaj   +1 more source

Zero-modes of Non-Abelian Solitons in Three Dimensional Gauge Theories

, 2010
We study non-Abelian solitons of the Bogomol'nyi type in N=2 (d=2+1) supersymmetric Chern-Simons (CS) and Yang-Mills (YM) theory with a generic gauge group.
Buck M, Collie B, Dunne G V, Eto M, Eto M, Eto M, Eto M, Eto M Fujimori T Gudnason S B Jiang Y Konishi K Nitta M Ohashi K, Eto M Gudnason S B, Hanany A, Hori K Vafa C, Minoru Eto, Sakai N, Sven Bjarke Gudnason, Tong D   +14 more
core   +1 more source

Design and Prototyping of Topology‐Optimized, Additively Manufactured Lightweight Components for Space Robotic Systems: A Case Study

Advanced Engineering Materials, EarlyView.
The results demonstrate a simulation‐driven workflow that applies LSB topology optimization with additive manufacturing constraints to mission‐specific load cases, integrating European Cooperation for Space Standardization compliant verification and manufacturability to develop structurally efficient rover suspension components.
Stelios K. Georgantzinos, Grigorios Kostopoulos, Eleni Papadopoulou, Stefanos Voulgaris, Alexandra Tseni, Panteleimon Bakalis, Maria N. Gkara, Chara Ch. Mitropoulou, Georgios Kazakis, Alin Munteanu, Jeremi Gancet, Nikos D. Lagaros   +11 more
wiley   +1 more source

Single Pair of Weyl Points Evolve From Spin Group‐Protected Nodal Line in Half‐Metallic Ferromagnet V3S4

Advanced Functional Materials, EarlyView.
A spin group (SG)‐based mechanism is proposed to realize a single pair of Weyl points. PT‐symmetric nodal lines (NLs) persist under T‐breaking, protected by the combination of SG and P symmetry. When considering spin‐orbit coupling, the SG‐protected NL will split into Weyl points, which will also induce anomalous transport phenomena arising from ...
Shifeng Qian, Yao Zhang, Xiaowei Sheng, Xiuxian Yang, Gang Zhang, Junfeng Gao, Xiaotian Wang   +6 more
wiley   +1 more source

Topological Descriptors on Some Families of Graphs

Journal of Chemistry, 2021
In view of the successful applications of graph theory, relationships between the biological activity and chemical structure have been developed. One of the popular topics in graph theory is problems relating to topological indices.
Iftikhar Ahmad, Maqbool Ahmad Chaudhry, Muhammad Hussain, Tariq Mahmood   +3 more
doaj   +1 more source

Ad-Hoc Lanzhou Index

Mathematics, 2023
This paper initiates the study of the mathematical aspects of the ad-hoc Lanzhou index. If G is a graph with the vertex set {x1,…,xn}, then the ad-hoc Lanzhou index of G is defined by Lz˜(G)=∑i=1ndi(n−1−di)2, where di represents the degree of the vertex ...
Akbar Ali, Yilun Shang, Darko Dimitrov, Tamás Réti   +3 more
doaj   +1 more source