نتایج جستجو برای: dimensional oblique loading

تعداد نتایج: 483154  

Journal: :Annual proceedings. Association for the Advancement of Automotive Medicine 2007
Frank A Pintar Dennis J Maiman Narayan Yoganandan

Side impact pole/tree crashes can have devastating consequences. A series of 53 CIREN cases of narrow-object side impacts were analyzed. Twenty-seven of 53 had serious chest injury and 27 had serious head injury. Unilateral chest trauma led to the examination of residual crush pattern that often demonstrated oblique door intrusion into the occupant thorax space. It was hypothesized that unilate...

Journal: :Computer methods in biomechanics and biomedical engineering 2010
Amilcar Chagas Freitas Eduardo Passos Rocha Paulo Henrique dos Santos Ching-Chang Ko Manoel Martín Erika Oliveira de Almeida

This study aimed to evaluate the influence of loading on a maxillary central incisor with the periodontal ligament (PDL) represented by 2D elastic beam elements using a 2D finite element analysis. Two models (M) were built varying the PDL representation: Mh (homogeneous PDL) and Mht (heterogeneous PDL with beam3 elements). Stress and displacements were determined for three loading conditions (L...

2016
Ho-Yong Song Yoon-Hyuk Huh Chan-Jin Park Lee-Ra Cho

PURPOSE The aim of this study was to investigate the stress distribution of 2-short implants (2SIs) installed in a severely atrophic maxillary molar site. MATERIALS AND METHODS Three different diameters of internal connection implants were modeled: narrow platform (NP), regular platform (RP), and wide platform (WP). The maxillary first molars were restored with one implant or two short implan...

حسینی, سید حسین, سیفی, محمد مهدی, فرهمند, فرزام,

Objective: The purpose of this study is to find the optimum training conditions for selective strengthening of the vastus medialis oblique muscle over vastus lateralis. Methods: For this purpose, a musculoskeletal model of lower limb was developed by OpenSim software. Using a detailed tibiofemoral and patellofemoral joint modeling and six muscular branches for components of quadriceps femori...

Journal: :Forensic science international 2017
Haim Cohen Chen Kugel Hila May Bahaa Medlej Dan Stein Viviane Slon Tamar Brosh Israel Hershkovitz

The effect of the direction of the impact and the presence of axial loading on fracture patterns have not yet been established in experimental 3-point bending studies. PURPOSE To reveal the association between the direction of the force and the fracture pattern, with and without axial loading. MATERIAL AND METHODS A Dynatup Model POE 2000 (Instron Co.) low energy pendulum impact machine was...

Journal: :Advanced materials 2015
Sicong Shan Sung H Kang Jordan R Raney Pai Wang Lichen Fang Francisco Candido Jennifer A Lewis Katia Bertoldi

3D printing and numerical analysis are combined to design a new class of architected materials that contain bistable beam elements and exhibit controlled trapping of elastic energy. The proposed energy-absorbing structures are reusable. Moreover, the mechanism of energy absorption stems solely from the structural geometry of the printed beam elements, and is therefore both material- and loading...

Journal: :Optics express 2014
Jeongmin Kim Tongcang Li Yuan Wang Xiang Zhang

Oblique plane imaging, using remote focusing with a tilted mirror, enables direct two-dimensional (2D) imaging of any inclined plane of interest in three-dimensional (3D) specimens. It can image real-time dynamics of a living sample that changes rapidly or evolves its structure along arbitrary orientations. It also allows direct observations of any tilted target plane in an object of which orie...

2016
Tsutomu Sugiura Kazuhiko Yamamoto Satoshi Horita Kazuhiro Murakami Sadami Tsutsumi Tadaaki Kirita

PURPOSE This study investigated the effects of bone density and crestal cortical bone thickness at the implant-placement site on micromotion (relative displacement between the implant and bone) and the peri-implant bone strain distribution under immediate-loading conditions. METHODS A three-dimensional finite element model of the posterior mandible with an implant was constructed. Various bon...

Journal: :Visual cognition 2007
Elias H Cohen Qasim Zaidi

The classical oblique effect refers to the finding that observers are faster and more accurate in discriminating the orientation of a line or edge when it is at or near vertical or horizontal than when it is at an oblique orientation (Appelle, 1972; Mach, 1861). Based on the finding that observer sensitivity to orientation of simple symmetric shapes like an ellipse or the letter "X" also exhibi...

Journal: :Journal of clinical and diagnostic research : JCDR 2014
Marcelo Coelho Goiato Alves Aldiéris Pesqueira Daniela Micheline Dos Santos Marcela Filié Haddad Amália Moreno

PURPOSE This study investigated the biomechanical behavior of screwed partial fixed prosthesis supported by implants with different diameters (2.5 mm; 3.3 mm and 3.75 mm) by using a photoelastic analysis. MATERIALS AND METHODS Six photoelastic models were fabricated in PL-2 resin as single crowns or splinted 3-unit piece. Models were positioned in a circular polariscope and 100-N axial and ob...

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