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Fatigue crack growth in metallic components: Numerical modelling and analytical solution
Danilo D’Angela,Marianna Ercolino 국제구조공학회 2021 Structural Engineering and Mechanics, An Int'l Jou Vol.79 No.5
The paper presents innovative approaches for the simulation of fatigue crack growth (FCG) in metallic compact tension (CT) specimens using finite element (FE) analysis and analytical solution. FE analysis is performed in ABAQUS using the extended finite element method (XFEM) coupled with the direct cyclic low-cycle fatigue (LCF) approach. Novel methods are developed for the computation of the numerical crack growth by processing the analysis outputs. The numerical modelling is validated by considering past experimental data. The analytical solution for the fatigue life evaluation is formally reviewed, and novel fatigue damage descriptors are defined. The influence of the main sample/testing features on numerical and analytical fatigue life is extensively assessed by a parametric study. The discrepancy between the numerical and analytical estimations of the fatigue life of the components is investigated and correlated to the features of the testing/modelling. A statistical-based correction factor is finally proposed in order to enhance the analytical solution.
Angel A,de Larrazabal,FPSCS,FACS,Corazon Collantes-Jose,FPSCS 대한미용의학회 2017 대한미용의학회지 Vol.1 No.2
Background: Minimally invasive surgery is already at the forefront in all surgical specialties, including cosmetic surgery. Hence, we have adapted and modified our technique to offer a short-scar facelift with minimal tissue dissection and manipulation to surgically rejuvenate the aging face. Objective: This study aimed to surgically address the aging face and neck by employing this modified short-scar rhytidectomy with minimal dissection, manipulation, and using the correct vector suited for Asian faces as an alternative and innovative surgical procedure. Methods: We performed this short-scar facelift by combining the malar fad pad suspension and lamellar low superficial musculoaponeurotic system (SMAS) excision Results: From 2015 to 2017, we have performed 51 facelift procedures with our modification, with 8 men and 43 women, with a mean age of 64.30 years (range, 50-78 years). Of the 51 patients, 29 patients (56.86%) had regular follow-ups. Three complications were noted. One developed post-operative hematoma. The other developed seroma formation. The third developed split thickness skin necrosis. Majority of our patients were satisfied with the results. Conclusion: This combined malar fat pad suspension and lamellar low SMAS excision technique is a simple, safe, and effective alternative procedure for facelift. Level of Evidence: V
The Filipina Connection: the Face of Exploitation in Canada’s Live-in Caregiver Program
Angela G. Hick(Angela G. Hick ),Anton L. Allahar(Anton L. Allahar ) 한국캐나다학회 2011 Asia-Pacific Journal of Canadian Studies (APJCS) Vol.17 No.1
In this paper we explore why the primary pool of employees in Canada’s Live-in Caregiver Program (LCP) are temporary migrant workers, particularly Filipinas, as well as how the Canadian government and its related institutions justify discrepancies in the rights and protections between Canadian workers and those who come legally under Canada’s various migrant worker schemes. In this context specific attention is paid to live-in caregivers or those women who come under the domestic worker scheme. The analysis of the Canadian Live-in Caregiver Program will highlight the dominant ideologies underlying and motivating the federal government’s justification for: (a) the continuation of the program despite great external resistance; (b) the subordinate status of live-in caregivers that derives from their position as “non-citizens;” (c) the subordinate position domestic workers experience as working class women of colour; and (d) the reasoning behind a reliance on female temporary migrant workers of a specific demographic to care for Canadian dependents. To frame the entire discussion we ask (rhetorically) how it is possible for a country such as Canada that prides itself on its positive human rights and worker rights reputation, to defend a program such as the LCP that goes against the much-celebrated image of ‘Canada the good.’
Angela, Schorr 圓光大學校 醫科大學 神經精神科學敎室 1996 圓光精神醫學 Vol.12 No.1
1990년부터 1992년 사이에 구 서독의 독일 전문 심리학자 협회 회원의 1/3과 동독의 전 심리학회 회원의 1/6이 자신들의 전문직에 대한 현재 상황(자격, 전문영역, 고용구조, 직업적 전망)에 대해서 상세한 질문을 받았다. 자료는 통일 당시 독일 심리학자의 상황에 대한 통찰을 제공해 줄 뿐만 아니라, 독일에서의 전문심리학의 미래발전에 대한 중요한 정보를 제공해준다.
Angela Yung Chi Hou,Zoe Hu,Lily Lin 한국교육행정학회 2019 한국교육행정학회 학술연구발표회논문집 Vol.2019 No.5
Due to global influence and local demand, Taiwan’s higher education has experienced great changes in policy agendas and system reforms over past decades. After 80s, Taiwan higher education experienced great expansion but faced the challenges from global competitors. In response, “selection and concentration policy” aiming at “World class” universities building and implementation of a compulsory external accreditation were the strategies adopted by the government, which led to a new type of institutional governance and academician’s engagement over the past decade. After President Tsai took the presidential office in 2016, the MOE shifted the focus to universities’ autonomy and social responsibility and encouraged institutions to strengthen the partnership and collaborations with ASEAN countries. Based on the new ideological and political paradigm shift, three major national projects, including the new cycle of self-accreditation policy, higher education sprout project, and new southbound policy were kicked off. Therefore, the aim of the paper is to present the current development of three MOE initiatives and explore the paradigm shift of higher education policymaking in terms of egalitarianism. Their impacts on universities’ autonomy and accountability are discussed as a conclusion of the paper.