L’ARCHITECTURE : UN ARCHITECTURE PARADIGME DU VISUEL

HAFIDA BOULEKBACHE MAZOUZ 한국영상문화학회 2014 영상문화 Vol.0 No.24

A new and simple HSDT for isotropic and functionally graded sandwich plates

Hafida Driz,Mamia Benchohr,Ahmed Bakora,Abdelkader Benachour,Abdelouahed Tounsi,El Abbes Adda Bedia 국제구조공학회 2018 Steel and Composite Structures, An International J Vol.26 No.4

A novel higher shear deformation theory (HSDT) is proposed for the bending, buckling and free vibration investigations of isotropic and functionally graded (FG) sandwich plates. It contains only four variables, which is even less than the first shear deformation theory (FSDT) and the conventional HSDTs. The model accounts for a parabolic variation of transverse shear stress, respects the traction free boundary conditions and contrary to the conventional HSDTs, the present one presents a novel displacement field which incorporates undetermined integral terms. Equations of motion determined in this work are applied for three types of FG structures: FG plates, sandwich plates with FG core and sandwich plates with FG faces. Analytical solutions are given to predict the transverse displacements, stresses, critical buckling forces and natural frequencies of simply supported plates and a comparison study is carried out to demonstrate the accuracy of the proposed model.

Codex architectural et palimpseste urbain

Hafida Boulekbache 고려대학교 응용문화연구소 2015 에피스테메 Vol.0 No.14

The architectural compositions are the fruit of time settings andvarious events. They are the legacy of several superimposed layers and /or juxtaposed, and the result of suggestive projects evokes stratifications,which juggling between two time frames; past and present and theformation of urban palimpsest; the city. The architecture is an "intelligible matter" that involves reasoning andinduces to express and show an intentional act, which creates architecturalexpression of a thought, identity, that is, a "trace". The latter allows thearchitect to design and to include an architectural idea that is recognizableand readable through the perception of space and time. Therefore, theperception of architecture evolves to adapt constantly to the newconditions of use. The architecture is a path and an open book to thefuture, but is also a testimony of the past and a memory. Les compositions architecturales sont le fruit de sédimentationd’époques et d’événements divers. Elles sont l’héritage de plusieurscouches superposées et/ou juxtaposées, et résultantes de projetsévocateurs de stratifications jonglant entre deux temporalités ; passé etprésent et formant le palimpseste urbain ; la ville. L’architecture est une « matière intelligible » qui engage le raisonnementet induit de faire connaître et de faire apparaître un fait architecturalintentionnel qui crée l’expression d’une pensée, d’une identité, …, par une« trace». Cette dernière permet à l’architecte de concevoir et d’inscrire uneidée architecturale qui soit discernable, lisible à travers la perception del’espace et du temps. Dès lors, la perception de l’architecture est enperpétuelle évolution pour s’adapter aux nouvelles conditions d’usage. L’architecture est donc un tracé, un livre ouvert vers le futur, maisreprésente aussi un témoignage du passé, une mémoire.

Organization and Evaluation of Performance Indicators of a Breast Cancer Screening Program in Meknes-Tafilalt Region, Morocco

Charaka, Hafida,Khalis, Mohamed,Elfakir, Samira,Khazraji, Youssef Chami,Zidouh, Ahmed,Abousselham, Loubna,El Rhazi, Karima,Lyoussi, Badiaa,Nejjari, Chakib Asian Pacific Journal of Cancer Prevention 2016 Asian Pacific journal of cancer prevention Vol.17 No.12

Objective: The benefits of screening and early detection of breast cancer, including reduced morbidity and mortality, have been well-reported in the literature. In 2011, a breast cancer screening program was launched in Meknes-Tafilalt region of Morocco. The aim of this study was to evaluate the early performance indicators of this program. Materials and Methods: This retrospective evaluative study was conducted between April 2012 and December 2014, in Meknes-Tafilalt region of Morocco. Several performance indicators of the breast cancer screening program were calculated: the compliance rate, the positivity rate, the referral rate, the cancer detection rate and the organizational indicators. Results: During 2012-2014, a total of 184,951 women participated in the breast cancer screening program. The compliance rate was 26%, the positive rate was 3.3%, the referral rate was 36.7%, and the cancer detection rate was 1.2 per 1,000 women. The median time between the date of clinical breast examination and the date of biopsy (or cyto-puncture) was 36 days. The median time between the date of positive mammography and the date of biopsy (or cyto-puncture) was 6 days. The median time between the date of clinical breast examination and the date of the first received treatment was 61 days. Conclusions: The program needs better monitoring, as well as implementation of quality assurance tools to improve performance in our country.

SOME FIXED POINT THEOREMS FOR GENERALIZED KANNAN TYPE MAPPINGS IN RECTANGULAR b-METRIC SPACES

Mohamed Rossaf,Hafida Massit 경남대학교 기초과학연구소 2022 Nonlinear Functional Analysis and Applications Vol.27 No.3

This present paper extends some fixed point theorems in rectangular b-metricspaces using subadditive altering distance and establishing the existence and uniqueness of fixed point for Kannan type mappings. Non-trivial examples are further provided to supportthe hypotheses of our results.

Probabilistic Models for Local Patterns Analysis

Salim, Khiat,Hafida, Belbachir,Ahmed, Rahal Sid Korea Information Processing Society 2014 Journal of information processing systems Vol.10 No.1

Recently, many large organizations have multiple data sources (MDS') distributed over different branches of an interstate company. Local patterns analysis has become an effective strategy for MDS mining in national and international organizations. It consists of mining different datasets in order to obtain frequent patterns, which are forwarded to a centralized place for global pattern analysis. Various synthesizing models [2,3,4,5,6,7,8,26] have been proposed to build global patterns from the forwarded patterns. It is desired that the synthesized rules from such forwarded patterns must closely match with the mono-mining results (i.e., the results that would be obtained if all of the databases are put together and mining has been done). When the pattern is present in the site, but fails to satisfy the minimum support threshold value, it is not allowed to take part in the pattern synthesizing process. Therefore, this process can lose some interesting patterns, which can help the decider to make the right decision. In such situations we propose the application of a probabilistic model in the synthesizing process. An adequate choice for a probabilistic model can improve the quality of patterns that have been discovered. In this paper, we perform a comprehensive study on various probabilistic models that can be applied in the synthesizing process and we choose and improve one of them that works to ameliorate the synthesizing results. Finally, some experiments are presented in public database in order to improve the efficiency of our proposed synthesizing method.

A new quasi-3D sinusoidal shear deformation theory for functionally graded plates

Mamia Benchohr,Hafida Driz,Ahmed Bakora,Abdelouahed Tounsi,E.A. Adda Bedia,S. R. Mahmoud 국제구조공학회 2018 Structural Engineering and Mechanics, An Int'l Jou Vol.65 No.1

In this paper, a new quasi-3D sinusoidal shear deformation theory for functionally graded (FG) plates is proposed. The theory considers both shear deformation and thickness-stretching influences by a trigonometric distribution of all displacements within the thickness, and respects the stress-free boundary conditions on the upper and lower faces of the plate without employing any shear correction coefficient. The advantage of the proposed model is that it posses a smaller number of variables and governing equations than the existing quasi-3D models, but its results compare well with those of 3D and quasi-3D theories. This benefit is due to the use of undetermined integral unknowns in the displacement field of the present theory. By employing the Hamilton principle, equations of motion are obtained in the present formulation. Closed-form solutions for bending and free vibration problems are determined for simply supported plates. Numerical examples are proposed to check the accuracy of the developed theory.

A new quasi-3D sinusoidal shear deformation theory for functionally graded plates

Benchohra, Mamia,Driz, Hafida,Bakora, Ahmed,Tounsi, Abdelouahed,Adda Bedia, E.A.,Mahmoud, S.R. Techno-Press 2018 Structural Engineering and Mechanics, An Int'l Jou Vol.65 No.1

In this paper, a new quasi-3D sinusoidal shear deformation theory for functionally graded (FG) plates is proposed. The theory considers both shear deformation and thickness-stretching influences by a trigonometric distribution of all displacements within the thickness, and respects the stress-free boundary conditions on the upper and lower faces of the plate without employing any shear correction coefficient. The advantage of the proposed model is that it posses a smaller number of variables and governing equations than the existing quasi-3D models, but its results compare well with those of 3D and quasi-3D theories. This benefit is due to the use of undetermined integral unknowns in the displacement field of the present theory. By employing the Hamilton principle, equations of motion are obtained in the present formulation. Closed-form solutions for bending and free vibration problems are determined for simply supported plates. Numerical examples are proposed to check the accuracy of the developed theory.

Probabilistic Models for Local Patterns Analysis

( Khiat Salim ),( Belbachir Hafida ),( Rahal Sid Ahmed ) 한국정보처리학회 2014 Journal of information processing systems Vol.10 No.1

Recently, many large organizations have multiple data sources (MDS`) distributed over different branches of an interstate company. Local patterns analysis has become an effective strategy for MDS mining in national and international organizations. It consists of mining different datasets in order to obtain frequent patterns, which are forwarded to a centralized place for global pattern analysis. Various synthesizing models [2, 3, 4, 5, 6, 7, 8, 26] have been proposed to build global patterns from the forwarded patterns. It is desired that the synthesized rules from such forwarded patterns must closely match with the mono-mining results (i.e., the results that would be obtained if all of the databases are put together and mining has been done). When the pattern is present in the site, but fails to satisfy the minimum support threshold value, it is not allowed to take part in the pattern synthesizing process. Therefore, this process can lose some interesting patterns which can help the decider to make the right decision. In such situations we propose the application of a probabilistic model in the synthesizing process. An adequate choice for a probabilistic model can improve the quality of patterns that have been discovered. In this paper, we perform a comprehensive study on various probabilistic models that can be applied in the synthesizing process and we choose and improve one of them that works to ameliorate the synthesizing results. Finally, some experiments are presented in public database in order to improve the efficiency of our proposed synthesizing method.

Female Breast Cancer Incidence and Mortality in Morocco: Comparison with Other Countries

Khalis, Mohamed,El Rhazi, Karima,Charaka, Hafida,Chajes, Veronique,Rinaldi, Sabina,Nejjari, Chakib,Romieu, Isabelle,Charbotel, Barbara Asian Pacific Journal of Cancer Prevention 2016 Asian Pacific journal of cancer prevention Vol.17 No.12

Background: Breast cancer is the most frequently diagnosed malignancy and the leading cause of cancer death among women worldwide. In Morocco, there have been few recent descriptive studies on female breast cancer. The aim of this study was to describe the latest available incidence and mortality rates of breast cancer among Moroccan women and to compare them with rates in other regional and Western countries. Methods: For this descriptive study, Moroccan incidence data were obtained from the most recent reports of the cancer registries of Casablanca and Rabat. Information on breast cancer incidence for different countries were obtained primarily from publicly available cancer registries and Cancer Incidence in Five Continents, Volume X. Mortality data were extracted from the GLOBOCAN 2012 published by the International Agency for Research on Cancer. Results: The age-standardized incidence (World) rate of breast cancer in Moroccan women increased from 35.0 to 39.0 per 100,000 women between 2004 and 2008, showing an annual increase of 2.85 %. The highest incidence rates were registered in the age groups of 45-49, 50-54 and 55-59 years (106.1, 108.2 and 108.5 respectively). Sixty-nine percent of female breast cancer cases were diagnosed at stages II and III. In 2012, the estimated number of women who died of breast cancer in Morocco was 2,878. The crude, age-standardized (World) mortality rates were 17.3 and 18.0 per 100,000, respectively. Conclusion: Although the incidence of female breast cancer in Morocco is lower than in Western countries, evidence shows that the rate is rising. This increase of breast cancer incidence has been observed in parallel with changes in reproductive behavior and adoption of a Western lifestyle. Prevention policies need to be implemented.