Results 21 to 30 of about 119,802 (171)

Computation of Edge Resolvability of Benzenoid Tripod Structure

open access: yesJournal of Mathematics, 2021
In chemistry, graphs are commonly used to show the structure of chemical compounds, with nodes and edges representing the atom and bond types, respectively.
Ali Ahmad   +4 more
doaj   +1 more source

Eccentric topological properties of a graph associated to a finite dimensional vector space

open access: yesMain Group Metal Chemistry, 2020
A topological index is actually designed by transforming a chemical structure into a number. Topological index is a graph invariant which characterizes the topology of the graph and remains invariant under graph automorphism.
Liu Jia-Bao   +5 more
doaj   +1 more source

Cuts and flows of cell complexes [PDF]

open access: yes, 2013
We study the vector spaces and integer lattices of cuts and flows associated with an arbitrary finite CW complex, and their relationships to group invariants including the critical group of a complex.
A Björner   +29 more
core   +5 more sources

Simulation methods of rigid holonomic multibody systems with bond graphs

open access: yesAdvances in Mechanical Engineering, 2019
Bond graph software can simulate bond graph models without the user needing to manually derive equations. This offers the power to model larger and more complex systems than in the past.
Benjamin Boudon   +4 more
doaj   +1 more source

Network representation of electromagnetic fields and forces using generalized bond graphs [PDF]

open access: yes, 1985
We show that it is possible to describe electromagnetic (E-M) fields with a generalized network representation (generalized bond graphs). E-M fields inmoving matter, forces due to E-M fields (Lorentz force, ets.) and field transformations are included in
G. D. Nijen Twilhaar   +1 more
core   +2 more sources

Formula manipulation in the bond graph modelling and simulation of large mechanical systems [PDF]

open access: yes, 1985
A multibond graph element for a general single moving body is derived. A multibody system can easily be described as an interconnection of these elements.
Bos, A.M., Tiernego, M.J.L.
core   +3 more sources

Dynamics Study of a Triangular Connecting Rod Toggle Press Mechanism with Considering the Kinematic Pair Clearance

open access: yesJixie chuandong, 2021
For the dynamics modeling, simulation and analysis of a triangular connecting rod toggle press mechanism with considering the kinematic pair clearance, the corresponding vector bond graph procedure is proposed. Based on the kinematic pair clearance model
Zhongshuang Wang, Jiuzheng Yin
doaj  

Bond graph based sensitivity and uncertainty analysis modelling for micro-scale multiphysics robust engineering design [PDF]

open access: yes, 2007
Components within micro-scale engineering systems are often at the limits of commercial miniaturization and this can cause unexpected behavior and variation in performance.
Atherton, MA   +3 more
core   +1 more source

The Dynamic Modelling and Simulation of Spatial Multibody Systems with Prismatic Joint Based on Vector Bond Graph [PDF]

open access: yesAdvanced Materials Research, 2012
For the modelling and simulation of complex spatial multibody systems, the vector bond graph method is proposed. By the kinematic constraint condation, spatial prismatic joint can be modeled by vector bond graph. For the algebraic difficulties brought by differential causality in system automatic modeling and simulation, the effective decoupling method
Shang Liu   +2 more
openaire   +1 more source

Bond graphs in model matching control [PDF]

open access: yes, 2006
Bond graphs are primarily used in the network modeling of lumped parameter physical systems, but controller design with this graphical technique is relatively unexplored.
D. Ballance   +13 more
core   +1 more source

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