Why starting from differential equations for computational physics?

E Tonti - Journal of Computational Physics, 2014 - Elsevier
The computational methods currently used in physics are based on the discretization of
differential equations. This is because the computer can only perform algebraic operations …

Discontinuous cell method (DCM) for the simulation of cohesive fracture and fragmentation of continuous media

G Cusatis, R Rezakhani, EA Schauffert - Engineering Fracture Mechanics, 2017 - Elsevier
In this paper, the Discontinuous Cell Method (DCM) is formulated with the objective of
simulating cohesive fracture propagation and fragmentation in homogeneous solids without …

Complementary geometric formulations for electrostatics

R Specogna - International Journal for Numerical Methods in …, 2011 - Wiley Online Library
The simultaneous use of a pair of complementary discrete formulations for electrostatic
boundary value problems (BVPs) allows to accurately compute electromagnetic quantities …

A mesoscale study of the degradation of bone structural properties in modeled microgravity conditions

F Cosmi, N Steimberg, G Mazzoleni - Journal of the mechanical behavior of …, 2015 - Elsevier
One of the most important alterations that occur in man and experimental animals during
spaceflight concerns the skeletal system, and entails important bone loss and degradation of …

[PDF][PDF] Cell method analysis of crack propagation in tensioned concrete plates

E Ferretti - Computer Modeling in Engineering and Sciences …, 2009 - cdn.techscience.cn
In this study, the problem of finding the complete trajectory of propagation and the limiting
load in plates with internal straight cracks is extended to the non-linear field. In particular …

Evaluation of the structural quality of bone in a case of progressive osteoporosis complicating a Complex Regional Pain Syndrome (CRPS) of the upper limb

F Cosmi, G Mazzoleni - journal of the mechanical behavior of biomedical …, 2014 - Elsevier
Densitometry is considered to be the gold standard in bone quality assessment. However,
since its introduction, the medical community has been aware that mineral density is only …

[PDF][PDF] Numerical evaluation of trabecular bone alterations: a cell method application

F Cosmi - Molecular & Cellular Biomechanics, 2015 - academia.edu
Bone tissue is a complex multi-scale material and its morphological and functional
characteristics are influenced during one's life by constant changes, physiological and …

[图书][B] The cell method: A purely algebraic computational method in physics and engineering

E Ferretti - 2014 - books.google.com
The Cell Method (CM) is a computational tool that maintains critical multidimensional
attributes of physical phenomena in analysis. This information is neglected in the differential …

The algebraic formulation: Why and how to use it

E Ferretti - Curved and Layered Structures, 2015 - degruyter.com
Abstract Finite Element, Boundary Element, Finite Volume, and Finite Difference Analysis
are all commonly used in nearly all engineering disciplines to simplify complex problems of …

A discrete geometric approach to solving time independent Schrödinger equation

R Specogna, F Trevisan - Journal of Computational Physics, 2011 - Elsevier
The time independent Schrödinger equation stems from quantum theory axioms as a partial
differential equation. This work aims at providing a novel discrete geometric formulation of …