The midfielder will likely back up Mile Jedinak in the middle of the park.
He moved there from Sheffield Wednesday in 2008 for £500K and has since made 337 appearances in a Stoke shirt, while becoming a Premier League regular and sometime captain of the team.
Whelan was a regular under both Tony Pulis and Mark Hughes and was a huge fan favourite due to his industry and tenacity.
Halo cockpit protection device confirmed for F1 in 2018
Formula 1's governing body the FIA has given the go-ahead to the introduction of the cockpit head-protection system in 2018. It did not reveal what they were but said "specific studies will be carried out to assess" them.
The 33-year-old, capped 81 times by the Republic of Ireland, has penned a two-year deal with the Sky Bet Championship club. ".it's one of the very biggest clubs in England and its history and tradition is there for all to see". "I know he has a phenomenal record in achieving promotion to the top-flight and, having spoken to him at length, I am more than aware of how much he wants to get back there again with this great club".
Elmohamady, who has previously worked with Steve Bruce at Hull and Sunderland, is the Villans' third signing of the summer so far, following John Terry and Sam Johnstone.