Journal of Architecture, Art & Humanistic Science, Vol 6, Iss 28, Pp 204-219 (2021)
virtual prototyping, products design, virtual reality, augmented reality, mixed reality, Fine Arts, Architecture, and NA1-9428
At present, speed is a key factor in the design and development of industrial products, And In the light of modern technology, computer-based prototyping techniques have emerged in so-called advanced rapid prototyping as a solution to the modeling activity associated with design processes. But these technologies have disadvantages, such as the high cost of the models and the long time it takes for these models to be completed, The subject of the research came to the virtual prototyping as a modern technology through which the models associated with the design activity of industrial products, These models provide the speed required in light of the continuous evolution and changing requirements of the market, and also provide a low-cost solution suitable for adoption by major companies or small and medium-sized enterprises alike. The importance of these virtual models is evident when it comes to communicating as much information about design as possible with the simplest way and the lowest costs, Through these models can include everything related to the product of work theories and engineering drawings and three-dimensional models with physical properties that mimic the final product, Within the same application and this information induced by one of the images prepared on the computer programs, and thus we can share these models over the Internet and work on them remotely, which in turn contributes to shorten the time of the design process. The importance of research is to shed light on the role of virtual prototyping as one of the basic elements in the process of design and development of industrial products, as the research aims to activate the role of virtual modeling in the process of product design and development and to include them in the design process as one of the basic stages' because of its usefulness, The hypothesis is that if virtual prototyping techniques and new technologies can be utilized in the process of designing industrial products in a creative manner, this ensures that the cost of model design and testing processes is reduced, as well as the opportunity to develop products periodically without incurring many expenses related to the production of physical models. The deductive approach was used to achieve this.
Orthopaedic Surgery, Vol 13, Iss 6, Pp 1773-1780 (2021)
Acetabular defects, Hip arthroplasty, Rapid prototyping, Revision, Surgical procedure design, Orthopedic surgery, and RD701-811
Objective To compare rapid prototyping technology (RP tech) in revision total hip arthroplasty (RTHA) with traditional examination methods and to see how they are different in evaluating acetabular anatomy and designing surgical procedure. Methods From February 2014 to March 2018, 43 RTHA patients with complex acetabulum defects were enrolled in this prospective study regardless of age or gender. Incomplete and unclear data were excluded. Three types of radiographic examination were performed on each patient before the revision surgery. Four groups of evaluations were designed: (i) X‐ray; (ii) computed tomography (CT‐scan); (iii) RP tech; and (iv) CT‐aided RP tech. Discrepancies between preoperative radiographic analysis and intra‐operative findings were separately compared by a team of surgeons. Premade surgical plans based on each evaluation method were compared with the final surgical procedure. The compliance of anatomic evaluation and surgical plan‐design based on 3D RP tech and traditional radiographs were ranked manually by a of team surgeons into: (i) complete accordance; (ii) general accordance; and (iii) undetermined structure/procedure. The difference in ranks between RP tech and traditional radiographic methods were analyzed with a nonparametric Kruskal‐Wallis test. P
The article describes the main structural elements and the scheme of forming block-modular milling cutters, analyzes the forms of body modules and chip-removing grooves, as well as the methods of manufacturing milling cutters. The technological route of 3D printing of blocks of tool and body modules and the technological scheme of assembling milling cutters are presented. There is an assessment of the compliance of the parameters of the accuracy of the dimensions of the models of milling cutters specified in the drawing, and recommendations for the use of plastic materials for the production of models of milling cutters. Объект исследования – подготовка производства блочно-модульных фрез с использованием 3D-прототипирования. Целью работы является выработка рекомендаций по подготовке производства с использованием 3D-прототипирования; изготовлению экспериментальных образцов БМФ. Рассматриваются основные конструктивные элементы и схема формирования блочно-модульных фрез, проанализированы формы корпусных модулей и стружкоотводящих канавок, а также методы изготовления фрез, приведены технологический маршрут 3D-печати блоков резцовых и корпусных модулей и технологическая схема сборки фрез, дана оценка соответствия параметров точности размеров макетов фрез заданным на чертеже и приведены рекомендации по использованию марок пластиковых материалов для изготовления макетов фрез.
Faiz Akbar Raihananda, Evan Philander, Alexander Fernando Lauvandy, Tubagus Ahmad Fauzi Soelaiman, Bentang Arief Budiman, Firman Bagja Juangsa, and Poetro Sambegoro
Results in Engineering, Vol 12, Iss , Pp 100300- (2021)
Solar still, Distillation, Prototyping, Freshwater, and Technology
Floating solar still is a suitable technology for remote or rural coastal area applications. The device should be made of low-cost materials available locally to provide more access to the broader community. However, the low-cost materials usually do not have the best physical properties, decreasing the overall solar still performance. This work demonstrated a low-cost floating solar still prototype entirely made of locally available materials. To further understand the influence of different parameters on the solar still performance and guide the prototyping process, we also performed the system's heat and mass transfer analysis. Our experimental results indicate a high absorber temperature (59.5 °C), even on a cloudy day. Our model also fits the temperature measurement reasonably. However, the recorded overall efficiency still suffers mainly due to the collection system, which decreases the overall performance; an example of a practical challenge, which is often overlooked but plays a crucial role in increasing the readiness level of the prototype.
The study presents a successful approach used in development of new design of thermal product. The high uncertainty of dynamic thermofluid process analysis and the need of fast exploration of large dataset of design parameters require elaboration of this new approach. It combines detailed thermoCFD simulation models that are validated with physical experiments, with simplified thermostructural simulation models. The need for such an approach is predetermined by the request for fast processing of big data with certain level of accuracy and detail. The approach is demonstrated by a case study of resistance temperature detector design development.
Teodoro Montanaro, Ilaria Sergi, Giovanni Marco Bisanti, Alessandro Cambò, and Luigi Patrono
Journal of Communications Software and Systems, Vol 17, Iss 2, Pp 177-184 (2021)
fast-prototyping, ibm watson, iot, mqtt, node-red, raspberry pi, smart home, telegram, Computer software, and QA76.75-76.765
The Internet of Things has contributed to make smarter houses and buildings in the last decades. Different existing works already integrate IoT technologies in homes, but end-user needs continuously change and researchers must face this challenge in identifying platforms to fast prototype solutions satisfying these new needs. This paper presents a solution that demonstrates how well-known fast-prototyping technologies like Node-RED, IBM Watson, Telegram, Raspberry Pi 4, and secured MQTT can contribute to develop complex systems facing the challenge. The selected tools are used within a smart home context to support features inspired by people needs and allow users to: a) consult real time conditions (i.e., temperature, humidity, gas), b) remotely manage lights, c) save energy through a light management system based on user movements, d) remotely monitor the house through dedicated webcams, e) generate warning notifications in case of danger. Users can interact with the systems through a web Node-RED dashboard and a Telegram bot. Differently from existing works, the feasibility of the implemented system and the efficacy of the exploited platforms are demonstrated through a running scenario extracted from a consolidated study on user needs in smart homes. The performed experiment can facilitate the fast prototyping of new solutions.
Zhongguo Jianchuan Yanjiu, Vol 16, Iss 3, Pp 31-37 (2021)
ship integrated logistic support, rapid prototyping (rp), repair, quick removal and combination, nitrogen gas protection, Naval architecture. Shipbuilding. Marine engineering, and VM1-989
Objectives With the rapid development of naval equipment and its increasing use frequency and failure rate, the traditional repair mode has limitations. This paper puts forward a rapid prototyping manufacturing (RPM) and equipment design method used in ship maintenance support. Methods Based on the hardware, software, technology and materials, the integration technology of rapid prototyping equipment is researched according to the actual situation of the ship. The design method of quick removal and combination using the equipment movement mechanism is adopted, achieving rapid prototyping repair with nitrogen as the shielding gas. The key technologies and methods of rapid prototyping repair are then studied, including technology, shape coordination and control, and post-repair treatment. Results The results of this study show that mobile rapid prototyping repair equipment with quick removal and combination can help to settle the problems of the online repair of real ships; marine nitrogen can be used as the shielding gas, which is convenient and affordable; and the dust collection system module greatly reduces the pollution of equipment in prototyping repairing process. Conclusions The developed quick removal and combination equipment for prototyping repair, which helps to realize "repair in case of damage" for ships under on-site conditions, can help to meet the requirements of accompanying support for spare ship equipment parts under actual combat conditions.
V Manju, Anna Serene Babu, V N Krishnapriya, and J Chandrashekar
Journal of Head & Neck Physicians and Surgeons, Vol 9, Iss 1, Pp 35-40 (2021)
auricular prosthesis, maxillofacial prosthetics, polymer model, rapid prototyping, silicone prosthesis, vacuum casting, Surgery, RD1-811, Neoplasms. Tumors. Oncology. Including cancer and carcinogens, and RC254-282
Context: Three-dimensional printing technologies have been used recently for patients with maxillofacial deformities who seek esthetic prosthesis. The aim of the present study was to assess the accuracy, surface texture, marginal adaptation, patient satisfaction, and ease of fabrication of silicone auricular prostheses fabricated by the rapid prototyping technology (RPT) when compared to the conventional method (CM). Materials and Methods: A pilot study was conducted on five patients who had partial auriculectomy defects. Ear prostheses fabricated by CM and RPT were compared. RPT include the fabrication of prostheses by the duplication of polymer model fabrication or by injecting silicone to mold obtained by Vacuum casting method (VCM). The prostheses were evaluated by 15 randomly allotted trained independent observers based on the Likert Scale. The patients performed a self-rating assessment followed by a report from the clinician and technician. Statistical Analysis: The scores for each of the dimension were analyzed using the ANOVA. The cost, time, and quantity of silicone material were expressed in means for three fabrication methods. Results: Prostheses fabricated by RPT yielded superior scores in terms of accuracy, texture, and marginal fit; the vacuum casted prostheses being more precise. The patient perspective was in favor of RPT though not significant statistically. Time for fabrication and number of patient visits were less for rapid prototyping methods than CM. Conclusion: The present study demonstrated the potential benefits of digital method in the fabrication of auricular prosthesis using RPT in the field of maxillofacial rehabilitation.