Search results for: Roskam

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Roskam</title> <meta name="description" content="Search results for: Roskam"> <meta name="keywords" content="Roskam"> <meta name="viewport" content="width=device-width, initial-scale=1, minimum-scale=1, maximum-scale=1, user-scalable=no"> <meta charset="utf-8"> <link href="https://cdn.waset.org/favicon.ico" type="image/x-icon" rel="shortcut icon"> <link href="https://cdn.waset.org/static/plugins/bootstrap-4.2.1/css/bootstrap.min.css" rel="stylesheet"> <link href="https://cdn.waset.org/static/plugins/fontawesome/css/all.min.css" rel="stylesheet"> <link href="https://cdn.waset.org/static/css/site.css?v=150220211555" rel="stylesheet"> </head> <body> <header> <div class="container"> <nav class="navbar navbar-expand-lg navbar-light"> <a class="navbar-brand" href="https://waset.org"> <img src="https://cdn.waset.org/static/images/wasetc.png" alt="Open Science Research Excellence" title="Open Science Research Excellence" /> </a> <button class="d-block d-lg-none navbar-toggler ml-auto" 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class="input-group"> <i class="fas fa-search"></i> <input type="text" class="search-query" name="q" placeholder="Author, Title, Abstract, Keywords" value="Roskam"> <input type="submit" class="btn_search" value="Search"> </div> </div> </form> </div> </div> <div class="row mt-3"> <div class="col-sm-3"> <div class="card"> <div class="card-body"><strong>Commenced</strong> in January 2007</div> </div> </div> <div class="col-sm-3"> <div class="card"> <div class="card-body"><strong>Frequency:</strong> Monthly</div> </div> </div> <div class="col-sm-3"> <div class="card"> <div class="card-body"><strong>Edition:</strong> International</div> </div> </div> <div class="col-sm-3"> <div class="card"> <div class="card-body"><strong>Paper Count:</strong> 3</div> </div> </div> </div> <h1 class="mt-3 mb-3 text-center" style="font-size:1.6rem;">Search results for: Roskam</h1> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">3</span> CFD Analysis of an Aft Sweep Wing in Subsonic Flow and Making Analogy with Roskam Methods</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Ehsan%20Sakhaei">Ehsan Sakhaei</a>, <a href="https://publications.waset.org/abstracts/search?q=Ali%20Taherabadi"> Ali Taherabadi</a> </p> <p class="card-text"><strong>Abstract:</strong></p> In this study, an aft sweep wing with specific characteristic feature was analysis with CFD method in Fluent software. In this analysis wings aerodynamic coefficient was calculated in different rake angle and wing lift curve slope to rake angle was achieved. Wing section was selected among NACA airfoils version 6. The sweep angle of wing is 15 degree, aspect ratio 8 and taper ratios 0.4. Designing and modeling this wing was done in CATIA software. This model was meshed in Gambit software and its three dimensional analysis was done in Fluent software. CFD methods used here were based on pressure base algorithm. SIMPLE technique was used for solving Navier-Stokes equation and Spalart-Allmaras model was utilized to simulate three dimensional wing in air. Roskam method is one of the common and most used methods for determining aerodynamics parameters in the field of airplane designing. In this study besides CFD analysis, an advanced aircraft analysis was used for calculating aerodynamic coefficient using Roskam method. The results of CFD were compared with measured data acquired from Roskam method and authenticity of relation was evaluated. The results and comparison showed that in linear region of lift curve there is a minor difference between aerodynamics parameter acquired from CFD to relation present by Roskam. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=aft%20sweep%20wing" title="aft sweep wing">aft sweep wing</a>, <a href="https://publications.waset.org/abstracts/search?q=CFD%20method" title=" CFD method"> CFD method</a>, <a href="https://publications.waset.org/abstracts/search?q=fluent" title=" fluent"> fluent</a>, <a href="https://publications.waset.org/abstracts/search?q=Roskam" title=" Roskam"> Roskam</a>, <a href="https://publications.waset.org/abstracts/search?q=Spalart-Allmaras%20model" title=" Spalart-Allmaras model"> Spalart-Allmaras model</a> </p> <a href="https://publications.waset.org/abstracts/33671/cfd-analysis-of-an-aft-sweep-wing-in-subsonic-flow-and-making-analogy-with-roskam-methods" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/33671.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">504</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">2</span> Beyond the Effect on Children: Investigation on the Longitudinal Effect of Parental Perfectionism on Child Maltreatment</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Alice%20Schittek">Alice Schittek</a>, <a href="https://publications.waset.org/abstracts/search?q=Isabelle%20Roskam"> Isabelle Roskam</a>, <a href="https://publications.waset.org/abstracts/search?q=Moira%20Mikolajczak"> Moira Mikolajczak</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Background: Perfectionistic strivings (PS) and perfectionistic concerns (PC) are associated with an increase in parental burnout (PB), and PB causally increases violence towards the offspring. Objective: To our best knowledge, no study has ever investigated whether perfectionism (PS and PC) predicts violence towards the offspring and whether PB could explain this link. We hypothesized that an increase in PS and PC would lead to an increase in violence via an increase in PB. Method: 228 participants responded to an online survey, with three measurement occasions spaced two months apart. Results: Contrary to expectations, cross-lagged path models revealed that violence towards the offspring prospectively predicts an increase in PS and PC. Mediation models showed that PB is not a significant mediator. The results of all models did not change when controlling for social desirability. Conclusion: The present study shows that violence towards the offspring increases the risk of PS and PC in parents, which highlights the importance of understanding the effect of child maltreatment on the whole family system and not just on children. Results are discussed in light of the feeling of guilt experienced by parents. Considering the insignificant mediation effect, PB research should slowly shift towards more (quasi) causal designs, allowing to identify which significant correlations translate into causal effects. Implications: Clinicians should focus on preventing child maltreatment as well as treating parental perfectionism. Researchers should unravel the effects of child maltreatment on the family system. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=maltreatment" title="maltreatment">maltreatment</a>, <a href="https://publications.waset.org/abstracts/search?q=parental%20burnout" title=" parental burnout"> parental burnout</a>, <a href="https://publications.waset.org/abstracts/search?q=perfectionistic%20strivings" title=" perfectionistic strivings"> perfectionistic strivings</a>, <a href="https://publications.waset.org/abstracts/search?q=perfectionistic%20concerns" title=" perfectionistic concerns"> perfectionistic concerns</a>, <a href="https://publications.waset.org/abstracts/search?q=perfectionism" title=" perfectionism"> perfectionism</a>, <a href="https://publications.waset.org/abstracts/search?q=violence" title=" violence"> violence</a> </p> <a href="https://publications.waset.org/abstracts/168300/beyond-the-effect-on-children-investigation-on-the-longitudinal-effect-of-parental-perfectionism-on-child-maltreatment" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/168300.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">72</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">1</span> The Bidirectional Effect between Parental Burnout and the Child鈥檚 Internalized and/or Externalized Behaviors</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Aline%20Woine">Aline Woine</a>, <a href="https://publications.waset.org/abstracts/search?q=Mo%C3%AFra%20Mikolajczak"> Mo茂ra Mikolajczak</a>, <a href="https://publications.waset.org/abstracts/search?q=Virginie%20Dardier"> Virginie Dardier</a>, <a href="https://publications.waset.org/abstracts/search?q=Isabelle%20Roskam"> Isabelle Roskam</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Background information: Becoming a parent is said to be the happiest event one can ever experience in one鈥檚 life. This popular (and almost absolute) truth鈥搘hich no reasonable and decent human being would ever dare question on pain of being singled out as a bad parent鈥揷ontrasts with the nuances that reality offers. Indeed, while many parents do thrive in their parenting role, some others falter and become progressively overwhelmed by their parenting role, ineluctably caught in a spiral of exhaustion. Parental burnout (henceforth PB) sets in when parental demands (stressors) exceed parental resources. While it is now generally acknowledged that PB affects the parent鈥檚 behavior in terms of neglect and violence toward their offspring, little is known about the impact that the syndrome might have on the children鈥檚 internalized (anxious and depressive symptoms, somatic complaints, etc.) and/or externalized (irritability, violence, aggressiveness, conduct disorder, oppositional disorder, etc.) behaviors. Furthermore, at the time of writing, to our best knowledge, no research has yet tested the reverse effect, namely, that of the child's internalized and/or externalized behaviors on the onset and/or maintenance of parental burnout symptoms. Goals and hypotheses: The present pioneering research proposes to fill an important gap in the existing literature related to PB by investigating the bidirectional effect between PB and the child鈥檚 internalized and/or externalized behaviors. Relying on a cross-lagged longitudinal study with three waves of data collection (4 months apart), our study tests a transactional model with bidirectional and recursive relations between observed variables and at the three waves, as well as autoregressive paths and cross-sectional correlations. Methods: As we write this, wave-two data are being collected via Qualtrics, and we expect a final sample of about 600 participants composed of French-speaking (snowball sample) and English-speaking (Prolific sample) parents. Structural equation modeling is employed using Stata version 17. In order to retain as much statistical power as possible, we use all available data and therefore apply the maximum likelihood with a missing value (mlmv) as the method of estimation to compute the parameter estimates. To limit (in so far is possible) the shared method variance bias in the evaluation of the child鈥檚 behavior, the study relies on a multi-informant evaluation approach. Expected results: We expect our three-wave longitudinal study to show that PB symptoms (measured at T1) raise the occurrence/intensity of the child鈥檚 externalized and/or internalized behaviors (measured at T2 and T3). We further expect the child鈥檚 occurrence/intensity of externalized and/or internalized behaviors (measured at T1) to augment the risk for PB (measured at T2 and T3). Conclusion: Should our hypotheses be confirmed, our results will make an important contribution to the understanding of both PB and children鈥檚 behavioral issues, thereby opening interesting theoretical and clinical avenues. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=exhaustion" title="exhaustion">exhaustion</a>, <a href="https://publications.waset.org/abstracts/search?q=structural%20equation%20modeling" title=" structural equation modeling"> structural equation modeling</a>, <a href="https://publications.waset.org/abstracts/search?q=cross-lagged%20longitudinal%20study" title=" cross-lagged longitudinal study"> cross-lagged longitudinal study</a>, <a href="https://publications.waset.org/abstracts/search?q=violence%20and%20neglect" title=" violence and neglect"> violence and neglect</a>, <a href="https://publications.waset.org/abstracts/search?q=child-parent%20relationship" title=" child-parent relationship"> child-parent relationship</a> </p> <a href="https://publications.waset.org/abstracts/168366/the-bidirectional-effect-between-parental-burnout-and-the-childs-internalized-andor-externalized-behaviors" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/168366.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">73</span> </span> </div> </div> </div> </main> <footer> <div id="infolinks" class="pt-3 pb-2"> <div class="container"> <div style="background-color:#f5f5f5;" class="p-3"> <div class="row"> <div class="col-md-2"> <ul class="list-unstyled"> About <li><a href="https://waset.org/page/support">About Us</a></li> <li><a href="https://waset.org/page/support#legal-information">Legal</a></li> <li><a target="_blank" rel="nofollow" href="https://publications.waset.org/static/files/WASET-16th-foundational-anniversary.pdf">WASET celebrates its 16th 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Search results for: Roskam