A theoretical analysis is presented for the snap-buckling behaviour of dished shallow shells under uniform loads. By means of the modified iteration method the second approximate formula of elastic behaviour. and a se...A theoretical analysis is presented for the snap-buckling behaviour of dished shallow shells under uniform loads. By means of the modified iteration method the second approximate formula of elastic behaviour. and a set of numerical solutions are given. And effects of parameters beta and k on the snap-buckling behaviour are discussed.展开更多
A theoretical analysis is presented for the snap-buckling behavior of dished shallow shells under axisymmetric distributed line loads. The second approximate formula of elastic behavior of dished shallow shells with v...A theoretical analysis is presented for the snap-buckling behavior of dished shallow shells under axisymmetric distributed line loads. The second approximate formula of elastic behavior of dished shallow shells with various boundary conditions are given, and effects of geometrical parameters gamma, beta and k on non-linear behavior are discussed.展开更多
为了更有效地向用户推荐其感兴趣的菜品,提升餐营业的精准服务水平,本文基于Alternating Least Squares交替最小二乘法和Apache Spark计算引擎,开发了一款根据用户周期性消费行为的菜品智能推荐系统。系统将采集历史消费数据存于HBase...为了更有效地向用户推荐其感兴趣的菜品,提升餐营业的精准服务水平,本文基于Alternating Least Squares交替最小二乘法和Apache Spark计算引擎,开发了一款根据用户周期性消费行为的菜品智能推荐系统。系统将采集历史消费数据存于HBase并训练推荐模型,通过Thymleaf展示推荐信息。系统采用冷热两种启动模式来满足用户需求。展开更多
文摘A theoretical analysis is presented for the snap-buckling behaviour of dished shallow shells under uniform loads. By means of the modified iteration method the second approximate formula of elastic behaviour. and a set of numerical solutions are given. And effects of parameters beta and k on the snap-buckling behaviour are discussed.
文摘A theoretical analysis is presented for the snap-buckling behavior of dished shallow shells under axisymmetric distributed line loads. The second approximate formula of elastic behavior of dished shallow shells with various boundary conditions are given, and effects of geometrical parameters gamma, beta and k on non-linear behavior are discussed.
文摘为了更有效地向用户推荐其感兴趣的菜品,提升餐营业的精准服务水平,本文基于Alternating Least Squares交替最小二乘法和Apache Spark计算引擎,开发了一款根据用户周期性消费行为的菜品智能推荐系统。系统将采集历史消费数据存于HBase并训练推荐模型,通过Thymleaf展示推荐信息。系统采用冷热两种启动模式来满足用户需求。