نتایج جستجو برای: physical modelling

تعداد نتایج: 816614  

1996
J. van der Schaft M. Dalsmo B. M. Maschke

It is shown that network modelling of energy-conserving physical systems naturally leads to the consideration of (nonlinear) implicit generalized Hamilto-nian systems. Behavioral systems theory may be invoked to formulate and analyze the system-theoretic properties of these systems. Most of the current modelling approaches of physical systems (e.g. multi-body systems) are based on some sort of ...

2010
Simon Parsons Mirko Dohnal

This paper proposes the use of semiqualitative modelling for reasoning about the behaviour of complex physical systems. Semiqualitative modelling is a generalisation of qualitative modelling which refines the set of intervals that values may be expressed in. Semiqualitative algebras are introduced, their most important features discussed, and related to qualitative algebras. The advantages that...

This commentary considers the positive and negative consequences of early economic modelling and explores potential future directions. Early economic modelling offers device manufacturers an opportunity to assess the potential value of an innovation at an early stage of development. Early modelling can direct resources into potentially viable technologies and reduce inv...

2006
M. J. Starink I. Sinclair P.A.S Reed P. J. Gregson

Advances in physically-based and adaptive numeric modelling (ANM) have lead to a significant elevation of the role of modelling in commercial alloy development and process optimisation. Within these two categories of modelling a wide variety of techniques exists, whilst hybrid approaches, taking advantage of the benefits of the both methods, are also being developed. In this paper various ANM t...

2014
Alexia Sawyer Lee Smith Stephanie Schrempft Cornelia HM van Jaarsveld Jane Wardle Abigail Fisher

BACKGROUND Most children in affluent developed countries do not meet basic physical activity recommendations. This study assessed primary caregiver knowledge of the UK recommendations on physical activity for children and examined the relationship between knowledge and components of parental support and modelling of physical activity. METHODS Data were from a large, community-based twin birth...

Journal: :Current Research in Nutrition and Food Science Journal 2017

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