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191 tulosta hakusanalla Behroz Behnejad

Structural Reliability Analysis

Structural Reliability Analysis

Shun-Peng Zhu; Behrooz Keshtegar

Springer International Publishing AG
2025
sidottu
This book delves into structural reliability analysis across seven comprehensive chapters. Beginning with foundational methods and key definitions, it transitions into FORM-based formulations, such as the HL-RF method and its variants, with a focus on convergence control and stability enhancement. The subsequent chapters cover gradient methods and directional conjugate gradient formulations, addressing challenges like instability control and search direction vector adjustments. A novel optimization model for Most Probable Point (MPP) search in the original space for interval-based random variables is introduced, offering a cutting-edge approach to uncertainty optimization. The book concludes with second-order reliability analysis methods and forward-looking discussions on emerging analytical perspectives in the field.
Kurdish Paradox of Statelessness

Kurdish Paradox of Statelessness

Kamal Soleimani; Behrooz Shojai

Springer International Publishing AG
2025
sidottu
This book critically examines Abdullah Öcalan’s proposal of "democratic confederalism," introduced in 2005, and its theoretical and practical implications. Despite its claims to transcend the nation-state model, Öcalan’s project leaves the colonial structures of the Turkish, Persian, and Arab states unchallenged, legitimizing their assimilatory and genocidal tendencies. It fails to secure Kurdish self-determination or protect linguistic and cultural rights, including mother-tongue education. The study interrogates these contradictions, offering a comprehensive critique of Öcalan’s ideology and its limited impact on governance, Kurdish identity, and aspirations for autonomy. Drawing on Öcalan’s original Turkish writings, the book challenges prevailing scholarship that often relies on selective translations and sympathetic interpretations. It reveals the foundational limitations of Öcalan’s approach, exposing the structural barriers it sustains and its complicity in perpetuating Turkification tendencies under the guise of Kurdish politics.
The Effect of Portfolio Assessment on Students' Writing Performance

The Effect of Portfolio Assessment on Students' Writing Performance

Arman Nasirahmadi; Behrouz Alijanzadeh Maliji

LAP Lambert Academic Publishing
2018
pokkari
The aim of the present study was to investigate the effect of portfolio assessment on Iranian EFL students' writing Performance. To this aim, a group of forty four EFL learners were selected as the participants of the study. They took TOEFL test to make sure they were homogeneous. Then, they were divided into two groups randomly. The experimental group received portfolio assessment strategy and the control group received traditional assessment. This strategy was used to see if it helped students improve their writing performance. Portfolio assessment uses three main methods including collection, selection and reflection. At the beginning, teacher outlines the design, goal and procedure of the study. The participants received the treatment in the form of feedback, revising and redrafting. But the control group received the paper and pencil test. In the end, the students were given the writing section of the IELTS test to measure their writing performance. The results revealed that the students in the experimental group outperformed those in the control group proving the effectiveness of portfolio assessment on improving EFL students' writing performance.