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The vehicle–track interaction and the resulting dynamic response of the vehicle involve a number of complex nonlinear problems. Large vertical loads act through a small contact patch leading to very high contact pressures. Transverse loads acting through this contact induce a relative velocity between wheel and rail expressed in non-dimensional form as a creepage. The wheel and rail profiles determine the contact patch shape and affect the ability of the vehicle to run stably. If the yaw stiffness of the axles is too low, the vehicle will become unstable at a relatively low speed; conversely, if the yaw stiffness is too high, the curving behaviour will be adversely affected. The vehicle suspension, especially the secondary suspension, also affects the ride comfort of passengers. Finally, it is shown how the speed profiles of accelerating and decelerating trains can be calculated from basic assumptions about the train power, adhesion and rolling resistance.

In today's internationalized world, value creation consists of knowledge and work integration involving workers from around the world. Members of these globally distributed work teams (GDWT) encounter organizational behavior issues (identity, cultural differences, and leadership) and organization design issues (dependencies, information processing, media use, and teamwork structures). While most research on GDWT focuses on the first set of issues, this chapter is among the few to systematically explore the second set. We propose and elaborate on strategies for either reducing the intensity of collaboration, or enabling teams to collaborate intensely on a global scale. Implications for research and practice are explored.

Several factors and forces in school-level leaders' work can heighten emotions and incite emotionally charged situations. Challenges that heighten school-level leaders' emotions are related to systemic factors, people factors and personal factors. The extent to which each of these different factors influence the emotional experiences of school-level leaders, and whether that influence ends up being positive, negative or neutral, is contextual in nature. The systemic factors include encountering barriers when advocating for students, managing an intensified and expanding workload, working within disorienting policy contexts, and receiving a lack of support from their employer. Changes in school-level leaders' work and workload due to the COVID-19 pandemic that heightened emotions and emotional labour are also considered when discussing the systemic factors. People factors evident in the literature include workplace conflict, gendered power relations and crises and tragedies in the school community. The emotional labour inherent in school-level leadership comes to the forefront when considering the impact of these people factors on emotions at work because school-level leaders are tasked with making decisions that can have an immense impact on peoples' lives. Personal factors discussed in this chapter surround a school-level leader's individual emotional intelligence abilities and media attention directed towards them.

This study aims to understand the role of technology in relationship maintenance among romantic partners.

It takes a qualitative, inductive approach and collected data from in-depth interviews with 20 individuals who are married or in cohabiting relationships.

This study supports the extension of relationship maintenance typology derived from face-to-face relationship studies to technology-mediated communication, but highlights how technology use transforms the implementation of maintenance behaviors. Technology helps couples coordinate tasks and keep in touch with friends and families. Although technology-mediated communication cannot replace face-to-face interactions in relationship talk and sharing in-depth feelings, it plays an important role in redefining the ways in which couples interact positively, maintain mutual understanding, and secure the future of the relationship. Moreover, this study identifies a new maintenance behavior, communication coordination. These maintenance behaviors reflect a tension between maintaining connectivity and managing the boundary between work and home and between the public and private spheres.

This study builds on previous work on technology use and relationship maintenance, but takes a different qualitative, inductive approach to address the limitations in the survey research dominant in the literature. It helps us understand the advantages and challenges in maintaining relationships in the digital age and also explores the factors that influence the patterns of technology use in relationship maintenance.

We examined how Conservation of Resources (COR) theory has been applied to work and stress in organizational settings. COR theory has drawn increasing interest in the organizational literature. It is both a stress and motivational theory that outlines how individuals and organizations are likely to be impacted by stressful circumstances, what those stressful circumstances are likely to be, and how individuals and organizations act in order to garner and protect their resources. To date, individual studies and meta-analyses have found COR theory to be a major explanatory model for understanding the stress process at work. Applications of COR theory to burnout, respite, and preventive intervention were detailed. Studies have shown that resource loss is a critical component of the stress process in organizations and that limiting resource loss is a key to successful prevention and post-stress intervention. Applications for future work, moving COR theory to the study of the acquisition, maintenance, fostering, and protection of key resources was discussed.

The urban environment is perceived through multiple senses in parallel, which means that visual understanding of space is aided and complemented by auditory, basic-orienting, and haptic stimuli – although mainly unconsciously. Sensory conditions are inherent attributes of urban places, but are often overlooked in research. To include these aspects in any way in analysis of the urban landscape, they need to be understood as properties of urban space, to be translated from attributes of the perceiver to attributes of the perceived. Using the relation between a designed garden and its suburban context in Bad Oeynhausen (DE) as an example, I will explore an alternative analytical methodology that takes the first-hand perspective view of the subject moving through the city as the starting point. The human body explores space by moving through it; walking is the most direct way to access, study, and research the physical qualities of the (urban) landscape, involving not only visual experience but also sound, rhythm, kinaesthesia, balance, and so forth. A notation technique that discloses the interrelation between visual qualities and their perception over time is the technique of ‘scoring’. Scores are symbolisations of processes, which extend over time. They can objectively represent non-visual qualities of space, communicating the relation between such processes and their spatial context to others in other places and other moments. These representations of movement expose the qualities of the surroundings that change as one moves through them, thus communicating the experiential aspects of urban landscape.

In this article, we situate organizational cynicism at the nexus of the related constructs of burnout, stress, and antisocial behavior. We expand Dean, Brandes, and Dharwadkar's (1998) notion of behavioral cynicism to include cynical humor and cynical criticism. We also propose that cynical behavior has important, non-linear effects on employee work performance. Finally, we suggest that cynical behavior may act as a coping mechanism for employees and that such behavior moderates the stress–performance relationship.