Identities of Vector Algebra as Associative Properties of Multiplicative Compositions of Quaternion Matrices
Journal Title: Mechanics, Materials Science & Engineering Journal - Year 2017, Vol 8, Issue 1
Abstract
This paper is dedicated to the further development of matrix calculation in the sphere of quaternionic matrices. Mathematical description of transfer (displacement) and turn (rotation) in space are fundamental for the mechanics of rigid body. The transfer (displacement) in space is described by the vector (hodograph). The turn (rotation) in space is described by quaternion. Calculation quaternionic matrices generalizes vector algebra and is directly adapted for the computing experiment concerning nonlinear dynamics of discrete mechanical systems in spatial motion. It is proposed to examine the turn and transfer of the rigid body in space with four-dimensional orthonormal basis and corresponding matrices equivalent to quaternions or vectors. The identities of vector algebra, including the Lagrange identity, Euler-Lagrange identity, Gram determinant and others, are found systematically. The associative products of conjugate quaternionic matrices are represented by the multiplicative compositions of vector algebra. The complex vector and scalar products are represented by the introduced matrices. With the use of associative property of conjugate quaternionic matrices’ products, the range of vector algebra identical equations is found, including the known ones, which serve, in particular, to justify the fidelity of the offered method. The method is being developed to represent associative products of conjugate and various quaternionic matrices by multiplicative compositions of vector algebra, containing scalar and vector products. The method is offered to represent complex (vector and scalar) vector algebra products as quaternionic matrices. This fundamental results constitute the first part of the study recommended for engineers, high school teachers and students who in their practical activity set and solve the problems of dynamic design of aeronautical engineering, rocket engineering, space engineering, land transport (railway and highway transport), robotics, etc. and exposed data to be able to contribute to the research area, to permit to enhance the intellectual performance, to provide the engineer with simple and efficient mathematical apparatus.
Authors and Affiliations
Victor Kravets, Tamila Kravets, Olexiy Burov
Numerical and Experimental Study of Energy Absorption in Aluminum Corrugated Core Sandwich Panels by Drop Hammer Test
This paper is aimed to study the behavior of sandwich panels made of Aluminum face sheet and Aluminum corrugated core under impact loading. Sandwich panels with square and triangular corrugated cores of two different hei...
The Variational Principle and the Phonon Boltzmann Equation
The thermal transport in a solid happens when the material is subjected to a thermal gradient. If free electrons are absent, the thermal transport is due to the phonons, the quasiparticles corresponding to the vibrations...
New Basis Points of Geodetic Stations for Landslide Monitoring
The results of mathematical processing of modern geodetic observations of landslide processes in Dnipropetrovsk on points of observation stations in case of lost basis points are presented. Previous observations were con...
Identities of Vector Algebra as Associative Properties of Multiplicative Compositions of Quaternion Matrices
This paper is dedicated to the further development of matrix calculation in the sphere of quaternionic matrices. Mathematical description of transfer (displacement) and turn (rotation) in space are fundamental for the me...
Especially the Transformation of Austenite in High-Strength Cast Iron during Processing With Continuous Cooling
The peculiarities of the transformation of austenite in high-strength cast iron with spherical-eminent graphite when machining with continuous cooling. The possibility of obtaining a bainite structure economically-alloye...