Wind loads on buildings can be quantified through synchronous measurements of pressure over building model surfaces or by high frequency force balance (HFFB) measurements. Although this loading information can be directly utilized for building design applications, current design practice often requires the transformation of dynamic wind loading to the equivalent static wind loads (ESWLs). This ...

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We formalize the phenomenon of disruptive technologies that initially serve isolated market niches and, as they mature, expand to displace established technologies from mainstream segments. Using a novel model of horizontal and vertical di®erentiation with discrete customer segmentation, we show how the emergence of technology competition depends on numerous factors including the number of ̄rms...

The Thomson’s Theorem states that static charge distributions in conductors show up at the conducting surfaces in an equipotential configuration, so that the electrostatic energy is a minimum. In this work we study an analogue statement for magnetic systems: in a given set of conductors, the stored magnetic field energy reaches the minimum value for superficial current distributions so that the...

Introduction: One of the most important human senses is vision, which its loss is causing many primary and secondary complications for physical and psychological health such as difficulties in static and dynamic balance. This study aimed to compare the effect of 8 weeks of Spark and Frenkel exercises training on the static and dynamic balance in blind people. ...

Introduction: The purpose of the current study was to predict the percentage of the sway index from the static balance point based on the anthropometric dimensions of construction workers. Material and Methods: This descriptive-analytical study was conducted on 114 construction workers. First, the construction workers were asked to complete the demographic questionnaire and the inclusion crite...

so far the static properties of hadrons have been introduced in various models. the static properties of hadrons (charge radius, magnetic moment, etc.) are useful for understanding the quark structure of hadron. in this work we have introduced the hypercentral constituent quark and isospin dependent potentials. here constituent quarks interact with each other via a potential in which we have ta...