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  • Open Access


    Scour Effect on Dynamic Characteristics and Responses of Offshore Wind Turbines

    Dongyue Tang1, Ming Zhao1, *

    CMES-Computer Modeling in Engineering & Sciences, Vol.124, No.2, pp. 433-457, 2020, DOI:10.32604/cmes.2020.09268

    Abstract The monopile foundation is the main form of offshore wind turbine foundation, and its surrounding scouring pit will reduce the constraints of the soil on the piles, which makes wind turbine foundation instability a key issue affecting the structural safety of offshore wind turbines. In previous studies, the rotating rotor and control system are neglected when studying the influence of scour on the offshore wind turbine structure. In this paper, the numerical model of the blade-tower-monopile integrated offshore wind turbine is established, and the influence of scour on the dynamic characteristics of wind turbine is More >

  • Open Access


    Improving the Seismic Performance of Staircases in Building Structures with a Novel Isolator

    Yafei Zhang1,2, Ping Tan1,2,*, Haitao Ma1,2, Marco Donà1,2

    CMES-Computer Modeling in Engineering & Sciences, Vol.124, No.2, pp. 415-431, 2020, DOI:10.32604/cmes.2020.09054

    Abstract A staircase provides the main escape way from a building in an emergency. Unfortunately, it may suffer severe damages or even collapse during an earthquake. For improving the seismic performance of staircases, this paper proposes an innovative staircase isolator with the features of lightweight, costeffective and ease of construction and replacement, which is formed by suitable engineering plastic shims between rubber layers. A connection construction scheme is also proposed for the isolated staircase. Systematic performance tests have been carried out to characterize the isolator in terms of mechanic behavior and ultimate states. The test results… More >

  • Open Access


    Introduction to the Special Issue Numerical Modeling and Simulation for Structural Safety and Disaster Mitigation

    Xiaodan Ren1,*, Tiancan Huang2

    CMES-Computer Modeling in Engineering & Sciences, Vol.124, No.2, pp. 411-413, 2020, DOI:10.32604/cmes.2020.012603

    Abstract This article has no abstract. More >

  • Open Access


    Italian Validation of the Healthcare Needs Scale for Youth with Congenital Heart Disease and Its Short-Form Development

    Federica Dellafiore1, Serena Francesca Flocco1, Cristina Arrigoni2, Serena Barello3, Tiziana Nania1, Maria Giovanna Russo4, Berardo Sarubbi5, Arianna Magon1, Francesco Pittella1, Massimo Chessa6, Rosario Caruso1,*

    Congenital Heart Disease, Vol.15, No.3, pp. 167-180, 2020, DOI:10.32604/CHD.2020.012438

    Abstract Aims: This study aimed at providing an Italian short version of the ‘healthcare needs scale for youth with congenital heart disease’ (I-HNS-CHD-s), describing its construct validity and reliability. Methods: A multi-method and multi-phase design were adopted. Phase one referred to the cultural-linguistic validation of the original scale into Italian. Phase two tasted content and face validity of the Italian-translated scale. Phase three included the psychometric validation process of scale, encompassed two different steps: first cross-sectional data collection (sample A) purposed at determining the psychometric characteristics of the I-HNS-CHD-s, using an exploratory factor analysis (EFA). Then, a… More >

  • Open Access


    Jan Misugi in Captain Tsubasa as an Educational Example for Children with Congenital Heart Disease

    Nicolas Kluger1,2, Philippe Charlier3,4, Antonio Perciaccante3,5,*

    Congenital Heart Disease, Vol.15, No.3, pp. 163-165, 2020, DOI:10.32604/CHD.2020.012394

    Abstract Introduction: Visual narratives such as manga, comics and cartoons can play an important role in educating readers on various aspects of life including medicine and disabilities. Methods: We reviewed the animated series entitled “Captain Tsubasa”, focusing our analysis on the episodes which introduced the character Jun Misugi, a football player suffering from an unspecified congenital heart disease (CHD). Discussion: For a child with a CHD, the practice of sports could be risky but also an opportunity to improve heart function and reach personal fulfillment. CHD have an important impact on children’s quality of life, and sports participation has More >

  • Open Access


    Long Term Follow-Up of Ebstein’s Anomaly—What to Expect in Adult Life?

    Tânia Branco Mano1,*, João Ferreira Reis1, Ana Figueiredo Agapito1, André Monteiro1, Mário Oliveira1, Luísa Moura Branco1, José Fragata2, Fátima Pinto3, Rui Cruz Ferreira1, Lídia de Sousa1

    Congenital Heart Disease, Vol.15, No.3, pp. 153-162, 2020, DOI:10.32604/CHD.2020.011500

    Abstract Introduction: Due to the low prevalence and wide variation of severity of Ebstein’s Anomaly (EA), long-term follow-up data are scarce. The aim was to evaluate the long-term outcome of an adult population with EA. Methods: Retrospective analysis of EA adults followed in the past 42 years in a tertiary congenital heart disease outpatient clinic. Predictors of complications and mortality were assessed. Results: We studied 53 patients: 53% females, mean age 46 ± 19 years, 36% cyanotic, 55% diagnosed at adult age. Tricuspid regurgitation was moderate or severe in 33% and 46%, respectively, and during follow-up (mean… More >

  • Open Access


    Successful Percutaneous Closure of Atrial Septal Defect via Transjugular Approach with the Cocoon Septal Occluder

    Maria Drakopoulou1, George Oikonomou1, Stergios Soulaidopoulos1, Basil Thanopoulos2, Konstantina Aggeli1, Dimitrios Tousoulis1, Konstantinos Toutouzas1,*

    Congenital Heart Disease, Vol.15, No.3, pp. 147-151, 2020, DOI:10.32604/CHD.2020.011338

    Abstract The percutaneous closure of ostium secundum atrial septal defects (ASD) is a well-established procedure. Currently available devices and delivery systems are designed to be used via the femoral venous route. However, an alternative approach needs to be considered in cases of congenital or acquired caval obstruction. We describe a successful transjugular closure of a moderate sized secundum ASD with the Cocoon Septal Occluder in a 37-year-old symptomatic woman with inferior vena cava (IVC) thrombosis, using a novel deployment technique to overcome difficulties, namely maintaining stable sheath position in the left atrium. Percutaneous closure of secundum More >

  • Open Access


    Managing the Adult Congenital Heart Disease Patient in the COVID-19 Pandemic—A New York Perspective

    Jodi L. Feinberg1, Frank Cecchin1,2, Arianna Gonzalez1, Emily Johnson2, Dan G. Halpern1,*

    Congenital Heart Disease, Vol.15, No.3, pp. 141-146, 2020, DOI:10.32604/CHD.2020.012039

    Abstract Adults with congenital heart disease (ACHD) are likely at increased risk for complications of COVID-19. ACHD centers should prepare to deliver routine cardiac care and support for patients with COVID-19 safely at home, as the number of COVID-19 infections worldwide continues to increase. This brief report aims to share the strategies we have used in our ACHD program to manage and treat our patients during this global health crisis at one of the initial epicenters of the pandemic in New York City, and offer suggestions for preparation for ACHD clinicians. More >

  • Open Access


    Minimally Invasive Congenital Cardiac Surgery: A Large Volume European Experience

    Alvise Guariento1,2, Ilias P. Doulamis3, David Blitzer4, Claudia Cattapan2, Massimo A. Padalino2, Vladimiro L. Vida2,*

    Congenital Heart Disease, Vol.15, No.3, pp. 127-139, 2020, DOI:10.32604/CHD.2020.012197

    Abstract Background: In an effort to reduce postoperative trauma and achieve more cosmetic results, minimally invasive approaches to correct congenital heart anomalies have been recently proposed and increasingly adopted. Here we describe our experience for the past 23 years. Methods: Patients who underwent a surgical procedure between February 1996 and March 2019 with a minimally invasive approach for the correction of congenital heart disease in our center were included in this study. A statistical analysis was carried out to compare the results of the different minimally invasive techniques. A meta-analysis was conducted to compare our results in… More >

  • Open Access


    Research on Intelligent Technology Management and Service Platform

    Ning Chen1, Hui Li2, Xinxin Fan3, 4, Weiliang Kong1, Yonghong Xie3, 4, *

    Journal on Artificial Intelligence, Vol.2, No.3, pp. 149-155, 2020, DOI:10.32604/jai.2020.09888

    Abstract In recent years, there are some problems in science and technology management, such as untimely task supervision and independent information system, which makes it difficult to achieve accurate, quantitative and standardized management. The storage of scientific research test data is scattered, and there are many deficiencies in the management, promotion and use of existing intellectual property. In this paper, on the basis of the knowledge economy, intelligence economy under the conditions of knowledge management concept and cutting-edge technology, technology management and service management related data, information, knowledge, method of blend together. Based on science and More >

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