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Commercial space features essential characteristics of attracting clients and creating profits; thus, the exterior and interior designs of conventional commercial space were often made to look grandiose and overdecorated. Over time, according to commercial attributes, operator preferences, and style of the designer, commercial spaces have constantly undergone renovation into varied styles. However, the physical renovation processhas caused multiple and composite types of environmental pollution, such as waste and noise pollution caused by breaking of walls or partitions, anddecorative paint pollution, as well as the use of high-energy-consuming lighting equipment, air-conditioning systems, and decorative materials. Global pollution has caused climate change, endangering living organismsand human life. Furthermore, no effective method exists to control the problem of high greenhouse gas emissions. Therefore, this study used energy-saving design concerns of a garden-type commercial space to propose an energy-saving evaluation model. The study combined three methodologies, the Delphi method, analytic hierarchy process, and fuzzy logic theory, to construct a multi-criteria decision support system for designing green commercial spaces, and used the green spatial design of a garden café as an example to illustrate the high objectivity and adaptability of the proposed model in practical application. The study also used an international award-winning case to validate that the proposed model had practical value as a reference to support key design decisions.

The key to the success of multinational corporations’ (MNCs) business models is the improvement of their innovation quality. From the cross-border knowledge management perspective, this paper aims to analyze the improvement path of innovation quality of MNCs and construct the functional path of the relationships among the knowledge creation, knowledge application and innovation quality of MNCs in the cross-border knowledge management process, so as to achieve the success of their business models. Based on this, this paper introduces cultural distance to further analyze how such relationships will change with the cultural distance level.

Using data from Chinese A-share listed MNCs with production operations located in the Asia-Pacific region from 2014 to 2018, this paper constructs a panel data model to test the mediating effect of knowledge application and the moderating effect of cultural distance on such relationships.

This paper obtains the following research findings: knowledge creation and knowledge application each have a significant, inverted U-shaped relationship with innovation quality; knowledge creation has a significantly positive correlation with knowledge application and knowledge application has a partial mediating effect on the relationship between knowledge creation and innovation quality; cultural distance has a moderating effect on such relationships. The specific moderating direction depends on the extent of the knowledge creation and knowledge application.

The findings are helpful to MNCs’ managers, providing guidance and serve as a reference for them to make strategic decisions on cross-board knowledge management and business models innovation.

The theoretical contributions are summarized as follows: First, it further enriches and expands the theoretical of knowledge management and innovation quality relationship. Second, it further enriches and expands the theoretical framework of knowledge management. Third, it further enriches the theoretical framework of cross-cultural management.

The modeling and optimization of a weld bead in the middle of the weld are often simple, as the forming process is dynamically balanced. However, the arc striking (AS) and arc extinguishing (AE) areas of weld beads are generally abnormal because the dynamic processes at these areas are unstable. The purpose of this paper is to investigate the abnormal areas of the weld bead with optimization modeling methods in wire and arc additive manufacturing (WAAM).

A burning-back method was proposed to fill the slanted plane in the AE area. To optimize the welding parameters and obtain the optimal design, a response surface methodology was proposed to build the relationships between the input parameters and response variables.

The proposed burning-back method could fill the slanted plane in the AE area. Second-order models of abnormal areas were developed and the optimization effects were analyzed. The experimental results indicated that the relationship models at both ends were applicable and preferable for the optimization of weld beads.

In this paper, a burning-back method was proposed to optimize the slanted plane in the AE area. Second-order models of abnormal areas were established. The methods and models were preferable in the optimization of the abnormal areas in WAAM.