To senior citizens, the transportation problem is very important. Among various types of transportation devices, the electric scooter is one of the most important transportation vehicles to them. Therefore, it is vital to design a comfortable electric scooter based on appropriate measurements. In this study, the Visual Basic and AutoCAD Active software were used to create computer simulations f...

Study reported a pillow with a uniform height was not suitable for sleeping in supine and lateral positions. The study aims to determine the pillow dimensions for fitting supine and lateral positions for Taiwanese. Ten females and ten males subjects with a mean age of 21.9 years (SD= 1.07 years) participated in the study. Body dimensions of head, neck and shoulder in crown and sagittal planes w...

in this paper the propagation of harmonic plane waves in a homogeneous anisotropic magneto-piezothermoelastic diffusive body with fractional order derivative is studied. the governing equations for a homogeneous transversely isotropic body in the context of the theory of thermoelasticity with diffusion given by sherief et al. [1] are considered as a special case. it is found that three types of...

Suppose that we have the unit Euclidean ball in R and construct new bodies using three operations linear transformations, closure in the radial metric and multiplicative summation defined by ‖x‖K+0L = p ‖x‖K‖x‖L. We prove that in dimension 3 this procedure gives all origin symmetric convex bodies, while this is no longer true in dimensions 4 and higher. We introduce the concept of embedding of ...

We present a complete analytic parametrization of constant width bodies in dimension 3 based on the median surface: more precisely, we define a bijection between some space of functions and constant width bodies. We compute simple geometrical quantities like the volume and the surface area in terms of those functions. As a corollary we give a new algebraic proof of Blaschke’s formula. Finally, ...

Suppose that we have the unit Euclidean ball in R and construct new bodies using three operations linear transformations, closure in the radial metric and multiplicative summation defined by ‖x‖K+0L = p ‖x‖K‖x‖L. We prove that in dimension 3 this procedure gives all origin symmetric convex bodies, while this is no longer true in dimensions 4 and higher. We introduce the concept of embedding of ...

The convex hull of n independent random points chosen on the boundary of a convex body K ⊂ Rd according to a given density function is a random polytope. The expectation of its i–th intrinsic volume for i = 1, . . . , d is investigated. In the case that the boundary of K is sufficiently smooth, asymptotic expansions for these expected intrinsic volumes as n → ∞ are derived.