... various blends of three different molecular weight PHPA polymers. Detailed rheological characterizations of these fluids were carried out by conducting amplitude sweep and controlled shear rate tests. Viscoelastic properties of the fluids were quantified in terms of energy dissipation, which physically...

... are discussed, as well as residual strength considerations for the bridge in damaged condition. floating bridge ship collision compliant structures energy dissipation Proceedings of the ASME 2022 41st International Conference on Ocean, Offshore and Arctic Engineering OMAE2022 June 5-10, 2022...

... the viscoelastic fluid properties in drilling hydraulics design are traditionally hindered by the fact that there was no practical methodology to measure these critical fluid properties in the field. Previous studies have highlighted the advantages of using the concept of “energy dissipation” for the quantitative...

... vertical porous barriers with special attention given to the degree of energy dissipation. In order to understand the physics of the energy dissipation problem, the propagation of the solitary wave and its interaction with the porous barrier has been studied from the viewpoint of energy balance. Based...

... systems, replaceable bracings, cyclic loading, energy dissipation, offshore platforms, onshore structures, retrofitting, repair. INTRODUCTION As efficient elements for controlling the deflections of structures, offshore as well as onshore, against various lateral loads (or equivalent lateral loads...

... 11 01 2011 In this paper, we introduce a new type of two-layer porous energy dissipation plate breakwater, consisting of one upper porous plate and a lower plate. The system is used to control energy dissipation in breakwaters. The structure performance of dissipating waves has been...

... tions, energy dissipation, offshore structures. INTRODUCTION The cyclic nature of various types of loads to which offshore structures are constantly subjected poses a serious threat to the durability, reliability and even the existence of such structures [1]. Especially, the severe application...

... cyclic shear loading also performed very well. The hysteresis loops of these specimens were ‘stable’ and ‘well-rounded’, implying large amount of energy dissipation in each cycle. Such very ductile response of the connections in shear is expected to be exploited in various circumstances in offshore...

... connections replaceable joints cyclic loading energy dissipation offshore platforms retrofitting repair Proceedings of the ASME 27th International Conference on Offshore Mechanics and Arctic Engineering OMAE2008 June 15-20, 2008, Estoril, Portugal 1 Copyright © 2008 by ASME E: [email protected]...

... of interfacial pressure distribution variation at the interface of the layered smart structures on the energy dissipation, logarithmic damping decrement and spatial transfer function is analyzed and presented for design application and selection of stabilizers. smart hydrodynamic structures non-uniform...

... 04 03 2009 This paper proposes new frequency dependence for the empirical formulas presently used to determine wave energy dissipation in ocean wave models. Using an energy focusing technique, several unidirectional transient wave trains were generated. Each of the transient wave train...

... important features can be adjusted to the demand of the structure quite independently. A comprehensive experimental study of the comprising energy-dissipating elements showed the crucial role of annealing in eliminating the embrittlement effects of welding on the connections, in particular the developed...

..., as well as retrofitting and repair of existing platforms, were introduced. Moreover, the results of some quasi-static tests on the ‘original’ version of the connection, in which the energy-dissipating elements (tubes) of the connection are laid in a parallel relation to the axis of bending, were reported...

... in a smooth, uniform and non-violent manner. Such mode of deformation, if delivered by a ductile material, should lead to a high energy dissipation capacity. Especially, if the ductility of the constituting material of the connection is not degraded as a result of fabrication operations, or if so...

..., it is expected to ave a potential for being used in every structure, offshore or Keywords: structural joints, brace-to-frame connections, beam-to-column connections, replaceable joints, chevr bracings, energy dissipation, offshore structures. INTRODUCTION Either of the two principal methods of establishing...

... structural joints brace-to-frame connections beam-to-column connections replaceable joints energy dissipation fire protection fire resistance elevated temperatures offshore structures A new innovative ‘universal’ structural joint with multiple applications was devised. The two...

... for different elasto-plastic behavior. A new efficient piping dynamic response analysis method, plastic dissipation equivalent damping method, is proposed to consider the plastic effect on the basis of equivalence principle of energy dissipation. The proposed scheme is implemented in the finite element analysis...

... structural joints brace-to-frame connections aluminium alloys shear behaviour replaceable joints chevron bracings energy dissipation offshore structures A new structural connection, already discussed in previous papers, with very special and, in some respects, unique, features...