Petra Christian University

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    20988 research outputs found

    On the Convergence and Accuracy of the Partition of Unity-Based T3-CNS and T3-DNS Elements in Surface Fittings

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    In recent years, several alternative non-standard finite element methods (FEMs) have been developed to improve the accuracy and convergence of the standard FEM. One of the proposed alternative FEMs which is of our interest is a method that combines the FEM and meshfree method using the partition of unity concept, called the three-node triangular element with continuous nodal stress (T3-CNS). In the T3-CNS element formulation, the shape functions are constructed using a combination of finite element continuous nodal gradient shape functions and a set of mesh-free shape functions obtained using the orthonormalized and constrained least-squares method. The aim of this paper is to present a numerical study on the accuracy and convergence of the T3-CNS interpolation when approximating several mathematically defined surfaces and their gradients. In addition, the discontinuous nodal stress version of the element, called the T3-DNS, is examined. The results are compared to those obtained using the standard triangular element and the Kriging-based triangular element. The results show that both the T3-CNS and T3-DNS interpolations possess the consistency property, providing highly accurate surface fittings, and exhibiting excellent convergence. Therefore, both the T3-CNS and T3-DNS interpolations are suitable to be employed as the trial function in numerical methods based on the Rayleigh-Ritz or Galerkin method

    Utilization of cow dung as a biogas raw material for alternative energy in Dusun Buddagan 1, Desa Larangan Luar, Kabupaten Pamekasan

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    In Buddagan 1 Hamlet, Pamekasan Regency, accumulating cow dung waste near homes creates unpleasant odors and unhygienic kitchen conditions. The proximity of kitchens and cowsheds, coupled with the villages heritage status, necessitates innovative, sustainable solutions that avoid altering building structures. This community service project aimed to utilize biogas technology to convert cow dung waste into an alternative energy source, improving sanitation and reducing household expenses. Activities included biogas technology socialization, training on biogas system use and maintenance, installation assistance, and program evaluation. The project successfully implemented biogas technology, meeting cooking gas needs, lowering household expenses, and producing organic fertilizer. Effective and sustainable biogas operation resulted from comprehensive socialization, training, and technical assistance. Buddagan 1 Hamlet now serves as a model for environmentally friendly and inspiring livestock waste management

    PENGARUH FINANCIAL EXPERIENCE, FINANCIAL SOCIALIZATION DAN SELF CONTROL TERHADAP FINANCIAL MANAGEMENT BEHAVIOR PENGGEMAR K-POP

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    This study aimed to analyze the influence of Financial Experience, Financial Socialization, and Self-Control on the Financial Management Behavior of K-pop fans. Primary data were collected using an online questionnaire distributed via Google Forms to 296 respondents who met the criteria of having purchased K-pop merchandise or attended K-pop concerts. The questionnaire was disseminated through LINE, Instagram, and X platforms. The collected data were analyzed using Partial Least Square - Structural Equation Modeling (PLS-SEM). The results indicated that Financial Experience (path coefficient: 0.385; p < 0.001), Financial Socialization (path coefficient: 0.328; p < 0.001), and Self-Control (path coefficient: 0.217; p < 0.05) significantly influenced Financial Management Behavior . The model explained 51.8% of the variance in Financial Management Behavior (R&#65533; = 0.518). This study addressed a research gap by examining the relatively unexplored group of K-pop fans to understand the impact of cultural activities on Financial Management Behavior . The findings were expected to serve as a reference for future research by demonstrating the integration of these variables into the Theory of Planned Behavior, while offering practical contributions to improving financial education and policies, particularly for communities with specific cultural characteristics

    KAJIAN SEMIOTIKA: REPRESENTASI IDENTITAS KOSMOPOLITAN PADA KONTEN VISUAL FOTOGRAFI DI INSTAGRAM @ANOMALI.BALI

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    Identitas kosmopolitan merupakan konsep pemikiran yang modern dan terbuka seiring dengan evolusi era globalisasi.Nilai identitas kosmopolitan dikemas secara visual dan memiliki pesan tersendiri. Studi ini membahas mengenai identitas kosmopolitan yang dipresentasikan melalui konten visual fotografi pada instagram Anomali coffee Bali. Konsep semiotika seperti denotasi, konotasi dan mitos digunakan untuk memahami tanda yang terdapat didalam foto. Menggunakan metode penelitian kualitaatif untuk menganalisis bagaimana identitas kosmopolitan ditampilkan melaui elemen-elemen visual dalam konten fotografi. Dalam penelitian ini melibatkan data visual yang digunakan pada instagam @Anomali BAli serta studi pustakan yang menjadi dasar teori penelitian. penelitian ini dilakukan untuk memberikan pemahaman tentang bagaimana sebuah cafe yaitu Anomali caffee merepresentasikan identitas kosmopolitan kepada audiens melalui konten visual fotografi

    Media As Multi-Space: Spatial-Based Tourism in the Digital Virtual Era

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    This study aims to map the characteristics and potential uses of digital virtual media as extensions of spatial architecture within the context of tourism. Beyond serving as mere representations, this study argues that digital virtual media function as a transformation of spatial architecture. The concept of multi&#8209;spatiality emphasizes the inseparable relationship between physical and digital architecture. In the context of tourism, architectural objects such as museums are experiential spatial designs that can be further expanded through digital virtual media. This qualitative study uses the Aceh Tsunami Museum as a case study. Through observation, various media&#8209;based modes of representing this architectural object were identified. This study focuses on mapping the characteristics of each media-based spatial model. The findings from this characterization are synthesized into three main concepts: multi-access, multi-user, and multi-time, which together represent an extension of the architectural experience itself. This study positions architecture not only as a physical structure but also as an evolving spatial entity, extending beyond mere duplication to encompass diverse digital and virtual dimensions

    STUDI KEPUASAN PENGHUNI TERHADAP PELAYANAN MANAJEMEN PROPERTI STUDI KASUS APARTEMEN GUNAWANGSA TIDAR

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    Penelitian ini bertujuan untuk mengukur tingkat kepuasan penghuni terhadap Apartemen Gunawangsa Tidar di Surabaya. Metode yang digunakan dalam penelitian ini adalah survei kuesioner yang disebarkan kepada 15 responden yang terdiri dari penghuni dan pemilik apartemen. Hasil survei menunjukkan bahwa mayoritas responden merasa puas dengan fasilitas yang disediakan, seperti kolam renang, layanan parkir, dan layanan keamanan. Akan tetapi beberapa responden tidak puas kecepatan penanganan pengaduan cterkait jaringan air dan listrik. Berdasarkan analisis persentase data survey, penghuni merasa paling puas dengan pelayanan terkait kartu akses dan fingerprint dengan angka kepuasan 50%. Sedangkan faktor terendah yaitu pengaduan benda milik bersama sebesar 14.29%

    EMPLOYEE ENGAGEMENT: THE ROLE OF TRANSFORMATIONAL LEADERSHIP, WORK ENVIRONMENT, AND JOB SATISFACTION

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    This research is crucial for understanding how transformational leadership, a supportive work environment, and job satisfaction collectively enhance employee engagement, an essential factor for driving organizational performance, especially in today’s dynamic and evolving workplace. The study offers practical insights for leaders aiming to foster a more motivated, committed, and high-performing workforce. It was conducted to see whether transformational leadership and work environment influenced employee engagement with job satisfaction as a mediating variable. The research method was a quantitative study with a purposive sampling technique, with 179 respondents. The data for this research was processed using SmartPLS 3.0. The results showed that transformational leadership and work environment had a positive and significant effect on job satisfaction and employee engagement, job satisfaction had a positive and significant impact on employee engagement, and job satisfaction positively and significantly mediated the effect of transformational leadership and work environment on employee engagement

    DARI TEKSTUAL KE VISUAL: MEMIKIRKAN KEMBALI PROSES PERANCANGAN ARSITEKTUR

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    Artikel tentang pemikiran proses perancangan arsitektur di era kecerdasan buata

    Amidst COVID-19: the moderating role of innovation and brand valuation in ESG disclosure and firm value relationship

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    This paper mainly aims to explain the correlation of ESGD, innovation, and brand valuation toward firm value. In addition, this paper also observes the significant changes in ESGD before and during the COVID-19 pandemic. The study found that innovation positively strengthens the relationship between ESGD and firm value, while brand valuation does not. ESGD has had significant changes before and during the COVID-19 pandemic. The findings suggest ESGD, innovation, and brand valuation act as a competitive advantage and enhance additional value towards the firm value. The link between ESGD and firm value has been extensively studied. There is still a sizable study gap when considering potential mediating elements that can offer a more thorough and fuller picture of the ESGD and firm value link. Innovation and brand valuation are two of the most significant potential mediator

    Tuhan, Engkau Ajaib Bagiku

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